Allele Essays & Research Papers

Best Allele Essays

  • Allele and Probability - 1288 Words
    5.1 #12 , #34a. and b, #40, 48 #12. Which of the following numbers could be the probability of an event? 1.5, 0, = ,0 #34 More Genetics In Problem 33, we learned that for some diseases, such as sickle-cell anemia, an individual will get the disease only if he or she receives both recessive alleles. This is not always the case. For example, Huntington’s disease only requires one dominant gene for an individual to contract the disease. Suppose that a husband and wife, who both have a...
    1,288 Words | 5 Pages
  • Allele and Dd - 1451 Words
    Name: Date: 03.05.13 Student Exploration: Hardy-Weinberg Equilibrium Vocabulary: allele, genotype, Hardy-Weinberg equation, Hardy-Weinberg principle, heterozygous, homozygous, Punnett square Prior Knowledge Questions (Do these BEFORE using the Gizmo.) Suppose the feather color of a bird is controlled by two alleles, D and d. The D allele results in dark feathers, while the d allele results in lighter feathers. 1. Suppose two Dd birds mate. What percentages of DD, Dd, and dd...
    1,451 Words | 8 Pages
  • Allele and Normal Vision - 544 Words
    Bios 101, Problem Set 2 These questions are due at the beginning of discussion. The due date is indicated on the syllabus. Please type or print neatly on separate sheets of paper. It is imperative that no portion of your answers be copied directly from another student or from an online source. 1. A man with normal vision marries a woman with normal vision. Their first child, a boy, is color-blind. i) (one point) Diagram the cross above. ii) (one point) The couple have a second child,...
    544 Words | 2 Pages
  • 1: Allele and Dominant Phenotype
    Samuel Haleem Assignment 1 1. The Chi Square (c2) test: Phenotype Expected Ratio Expected Counts (Ei) Observed Counts (Oi) Deviation (di) = (Ei-Oi) di2 = (Ei-OI)2 di2/Ei Purple 3 429 430 -1 1 0.002 Yellow 1 143 142 1 1 0.007 a. c2 = S (di2/Ei) = 0.009 b. Results indicate that the null hypothesis supported. 2. Human Phenotypes: a. The data: Trait Dominant Phenotype Recessive Phenotype Ear Lobe 12 7 Pigment Distribution 1 18 Hairline 8 11 Little Finger 12 7 Tongue Roller 16 3 b. Do the ratios of...
    400 Words | 3 Pages
  • All Allele Essays

  • The Allele Frequency Research on the Use of Right hand v.s Left hand at Southwest CTA
    The Allele Frequency Research on the Use of Right hand v.s Left hand at Southwest CTA Skylar Smith Jordan Stotts Kaley Felix Ana Charvet Southwest CTA Biology 9H p.6 February 13, 2014 __________________________________________________________________________ Abstract A gene can be defines as the basic physical unit of heredity; a linear sequence of nucleotides along a segment of DNA that provides the coded instructions for synthesis of RNA, which, when...
    1,333 Words | 5 Pages
  • Traits in Dolphins: Curvy-Tipped Flippers vs. Pointy-Tipped Flippers
    Tips for Hardy-Weinberg The key to getting these questions right is to know your genetic vocabulary and to know your math… The following examples will be based on a dolphin population in which the trait being studied is curvy-tipped flippers versus pointy-tipped flippers. In each individual, the trait is coded for by TWO alleles. In the population, one of the alleles is dominant and one is recessive. Individuals with two dominant alleles (homozygous dominant) have curvy-tipped flippers and...
    517 Words | 2 Pages
  • Ap Biology Learning Objectives Ch 14
    Homework #24 (130222): Chapter 14 (due Friday 130222) Total points: 20 for Attempt on all questions ONE Concept Map: 10 points Objectives Gregor Mendel’s Discoveries 1. Explain how Mendel’s particulate mechanism differed from the blending theory of inheritance. • Blending: parents genes mixed • Particulate: parents genes still retain identity\ The blending theory was that genetic material contributed by the two parents mixes in a manner analogous to the way blue and yellow make...
    2,333 Words | 9 Pages
  • Inheritance Patterns - Genetics - Senior Biology
    Trinity Lutheran College 2012 Inheritance Patterns Extended Experimental Investigation Scott Zimmerman The Abstract: Contents The Task 5 Timeline 5 Experimental Design 6 Introduction 9 Preliminary Hypothesis Justification 9 Planning 10 Gantt chart 10 Variables 11 Dependant - Genotypes 11 Phenotypes 12 Independent 12 Inheritance Patterns 12 Constant 13 Sunlight 13 Water 14 Soil 15 Families & Generations 16 Peas 16 Barley 17 Materials 18...
    6,003 Words | 22 Pages
  • Analysis of Genotype Differences and the Ability to Taste PTC
    THE VICTORIA SCHOOL SANTIAGO JACOME LAB REPORT PTC BIOLOGY SL AIM: The aim of this lab is to analyze the genotype differences of classmates that are able to taste PTC, Thiourea and Sodium benzoate and determine the phenotypes found. Testing the ability to taste PTC has been a mainstay activity in human genetics for generations of teacher and students. The ability to taste PTC is inherited. Traditionally this is presented as a case of simple Mendelian inheritance involving a dominant allele for...
    603 Words | 10 Pages
  • Bio Igcse Jan 2008 Paper 2
    Surname Centre No. Candidate No. Paper Reference(s) Initial(s) Paper Reference Signature 7 0 4 0 7040/02 0 2 Examiner’s use only London Examinations GCE Biology Ordinary Level Paper 2 Friday 18 January 2008 – Afternoon Time: 2 hours Team Leader’s use only Question Leave Number Blank 1 2 3 4 5 Materials required for examination Nil Items included with question papers Nil 6 7 8 Instructions to Candidates In the boxes above, write your centre number,...
    1,985 Words | 13 Pages
  • Population Genetics - 563 Words
    Kelsey McCluskey 22 April 2013 Professor Kelley Population Genetics Population Genetics Results: The table below shows the population cage results from using Stock A, ten female mutant flies and ten male wild flies. The population cage was examined for a total of six weeks by the group members and the following numbers were recorded. The trait observed among the offspring was lack of wings. Flies without wings were considered recessive and flies with wings were considered dominant....
    563 Words | 3 Pages
  • Hardy Weinberg Questions - 800 Words
    Hardy-Weinberg Principle Name: _______________________________ Period: ____ Show all work and box your answer for each of the following questions! 1. In a population at genetic equilibrium, the frequency of allele A is 0.5. a. What is the frequency of the homozygous dominant genotype (AA)? b. What is the frequency of the heterozygous genotype (Aa)? 2. If 16% of the individuals in a population at genetic equilibrium are recessive (aa)....
    800 Words | 3 Pages
  • Gregor Mendel’s Experiments and the Inheritance of Characteristics
    Blueprint of Life: Gregor Mendel’s Experiments and the Inheritance of Characteristics How and When Mendel carried out his experiments: a. Briefly outline Mendel’s biography • Gregor Mendel (1822-1884) was an Augustinian monk of Austrian origin and is known as the Father of Genetics. • During his childhood he worked as a gardener, and as a young man attended the Olmutz Philosophical Institute. • In 1843 he entered an Augustinian monastery in Brunn, Czechoslovakia....
    2,496 Words | 12 Pages
  • Punnet Squares - 422 Words
    OCA 3 The traits I chose to do my Punnett squares on are my blue eyes and my freckles. I got my blue eyes from my dad, and my many freckles from my mom. Both my parents have homozygous alleles for blue eyes. My dad has AA and my mom has aa. While my dad has homozygous for freckles and my mom had heterozygous. My dad has no freckles so he has aa, while my mom has tons of freckles so she has Aa. The capitol A’s represent the dominant traits and the lower case a’s represent the recessive traits....
    422 Words | 1 Page
  • Negative Influences on the Developing Fetus
    Negative Influences on the Developing Fetus The purpose of this posting is to discuss the maternal / paternal, environmental, and teratogenic factors that have a negative influence on the developing fetus. This information will be related to how it concerns the practice of mental health counseling. Maternal and paternal factors both affect the developing fetus. According to the reading in Broderick and Blewitt 23 of the 46 chromosomes were contributed by the father so his part can...
    2,174 Words | 6 Pages
  • genetics exam revision - 845 Words
    REVISION FOR GENETICS EXAM 1. Make sure you KNOW and UNDERSTAND the following TERMS and DEFINITIONS: -DNA - diploid - genes - haploid - chromosomes - crossing over - sex cells - fertilisation - somatic cells - gamete - autosomes - zygote - sex chromosomes - phenotype - karyotype - genotype - eukaryotic cell division - dominant - mitosis - recessive - meiosis - homozygous - heterozygous - incomplete dominance - codominance - pure bred -...
    845 Words | 4 Pages
  • Hardy Weinberg Notes - 275 Words
     People caught on to what Mendel said about inheritance. Someone said dominant alleles would become increasing popular in a population. While that makes sense, it isn’t what actually happens. Hardy and Weinberg separately wrote papers in response to that though process, saying the same thing as each other. What they wrote was the null hypothesis for evolution in a population. They identified circumstances where evolution won’t happen. Allele frequencies will persist forever unless something...
    275 Words | 1 Page
  • Written Task 1 - Media and Mass Communication
    Hardy Weinberg Problems Question 1 5 out of 300 starfish are born with green stripes. These green stripes show that the starfish can morph into other marine animal. Starfish are given this characteristic by a recessive allele. * A) What is the frequency of the genotype of individuals in the population born with green stripes? * B) What is the frequency of the dominant allele? * C) What is the frequency of the recessive allele? * D) What is the frequency of the carriers...
    476 Words | 4 Pages
  • Study Guyide - 4145 Words
    Biology: Concepts and Connections, 6e (Campbell) Chapter 9 Patterns of Inheritance Multiple-Choice Questions 1) Which of the following statements regarding domestic dogs is false? A) Dogs originated in East Asia. B) Dogs of different breeds can be identified through genetic analysis. C) Shar-pei and Akita are genetically very similar to the wolf. D) All dogs are descended from wolves. E) Humans have bred dogs for thousands of years. Answer: D Topic: Opening Essay...
    4,145 Words | 23 Pages
  • Punnett Square Practice KEY
      In rats, black color is dominant and white color is recessive. Cross heterozygous black rat with a white rat B=black b=white Bb x bb B b b P: 2/4 black, 2/4 white 1:1 b Bb bb Bb bb G: 2/4 Bb 2/4 bb 1:1   Can two white rats have a black offspring? Show the Punnett Square to confirm your answer B=black P: 4/4 white b=white 1:0 bb x bb  2 white rats G: 4/4 bb b b 1:0 b b bb bb bb bb NO, 2 white rats cannot have a black offspring.   In humans the ability to taste a...
    1,047 Words | 16 Pages
  • procedure for case study 1 random mati
    Procedure for Case Study 1-Random Mating You will start by placing 75 light-colored beans and 25 dark-colored beans into a bag. The 100 beans represent your initial gene pool. The light beans represent the F alleles, and the dark beans represent the f alleles. This is the gene pool produced by mating between heterozygous (Ff) and homozygous normal (FF) individuals. Use the following to determine the number of dominant alleles in the population and the same formula to determine the number of...
    508 Words | 3 Pages
  • Mr. Coaster - 2715 Words
    GAUTENG DEPARTMENT OF EDUCATION SENIOR SECONDARY INTERVENTION PROGRAMME LIFE SCIENCES GRADE 12 SESSION 3 (LEARNER NOTES) Page 1 of 10 TOPIC 1: MENDEL’S 1ST LAW, SEX AND BLOOD GROUP DETERMINATION Learner Note: Mendel’s Laws are very important and you must understand the basic concepts of Genetics. You must understand the concepts of dominance and how this plays a role in monohybrid crosses (mono = one = one characteristic or trait). Be aware of confusing the word ‘cross/ crossing’ with...
    2,715 Words | 10 Pages
  • Monohybrid and Dihybrid Cross - 351 Words
    Problem Set – Monohybrid and Dihybrid Cross 1. Classical albinism results from a recessive allele. What is the expected offspring from a normally pigmented male with an albino father and an albino wife? 2. A pea plant with red flowers is test crossed and one half of the resulting progeny have red flowers, while the other half has white flowers. What is the genotype of the test crossed parent? 3. If we cross two pea plants each heterozygous for yellow seed color genes, what would be...
    351 Words | 2 Pages
  • Drosophila Report - 1074 Words
    Concepts in Biology 2013: First Lab Report. FEEDING HABITS OF DROSOPHILA MUTANTS Name: Joshua Suidgeest Student ID: U3081023 Tutorial Day and Time: Friday’s at 14:30 (until 17:30) Tutor’s Name: Sandy I declare that the written work presented in this report is my own work. Abstract As a pre-introduction to this lab report as a whole, this experiment was carried out to answer some questions that may come to mind when “Drosophila” and “Inheritance” are put in the same...
    1,074 Words | 4 Pages
  • Uop Sci/185 - 589 Words
    Associate Program Material Genetics Worksheet Review the images below and answer the follow-up questions. Each question is worth 20 points. Key: Male affected with cystic fibrosis Unaffected male Female affected with cystic fibrosis Unaffected female Generation I II III IV V Pedigree showing inheritance of cystic fibrosis A Key: Male affected with cystic fibrosis Unaffected male Female affected with cystic fibrosis Unaffected female Generation I II III IV V...
    589 Words | 5 Pages
  • Lab Report Human Traits
    Our Lady of Mercy School Name: Victor Meira Pinto Date: 18/03/13 Subject: Biology Grade: 11th A Teacher: Ms.Braga Concept:_______ ------------------------------------------------- ------------------------------------------------- Human Traits Introduction: The study of genes, Genetics, is a branch in Medicine that studies how genes are formed, distributed and how they change the organisms’ characteristics....
    522 Words | 2 Pages
  • heredity lab worksheet - 540 Words
    Name: Date: Instructor’s Name: Assignment: SCIE207 Phase 3 Lab Report Title: Heredity Lab Instructions: You will need to write a 1- page lab report using the scientific method to answer the following questions: State which genes are dominant (the genes that get expressed over the other genes) and which genes are recessive (the genes that will not be expressed when the dominant gene is present). How do you know which genes are which? What is the ratio that is most likely to...
    540 Words | 3 Pages
  • Question paper B731 02 Biology Modules
    THIS IS A NEW SPECIFICATION H Monday 21 May 2012 – Morning GCSE GATEWAY SCIENCE BIOLOGY B B731/02 Biology modules B1, B2, B3 (Higher Tier) * 1 0 2 5 9 6 6 0 1 1 * Candidates answer on the Question Paper. A calculator may be used for this paper. Duration: 1 hour 15 minutes OCR supplied materials: None Other materials required: • Pencil • Ruler (cm/mm) * B 7 3 1 0 2 * MODIFIED LANGUAGE INSTRUCTIONS TO CANDIDATES • • • • • • Write your name, centre number and candidate number in the...
    2,101 Words | 19 Pages
  • I Dont Know - 654 Words
    Procedure 17.1 There was a paragraph that had to be read about Albinos and normal colored skin. In order to determine a list of things, such as these. List Genotype of Children’s mother Aa Genotype of children’s father aa Possible gametes of mother Aa Possible gametes of father aa Possible offspring aa/Aa Genotypic ratio of children Aa Phenotypic ratio of children Dominant Procedure 17.5 You had to see if cystic fibrosis was inherited as a dominant or recessive allele. There was a...
    654 Words | 3 Pages
  • Genetics of Sickle Cell Anemia
    Genetics of Sickle Cell Anemia Objectives • To observe how a disease can act as a selective force • To describe changes in allele frequencies in a population as a result of a selective force Hypothesis The starting ratio of HbA to HbS is 3:1; in a typical population, the Homozygous Dominant Gene would become the standard, but because carrying the Heterozygous version of the allele has an advantage to fighting Malaria it will become the dominant Allele for the population. The HbA/HbS gene...
    774 Words | 3 Pages
  • Genetics Exam Study Guide
    Final Exam Genetics PCB3063 Form 1 Fall 2013 1. Gregor Mendel selected traits which could be easily and unambiguously sorted into two classes. Each trait such as seed shape was first bred into true breeding lines or Parental Cross F1 Phenotype F2 Phenotypic Ratio F2 Ratio Round x Wrinkled Seed Round 5474 Round:1850 Wrinkled 2.96:1 Yellow x Green Seeds Yellow 6022 Yellow:2001 Green 3.01:1 Red x White Flowers Red 705 Red:224 White...
    2,765 Words | 11 Pages
  • Bio lab 156 lab 7
    Conor Westerman LAB 7 1. List whether the student was positive or negative for each characteristic and include whether the characteristic is dominant or recessive. (6 points) a. Blood type A+ b. Widow's peak yes, + c. Free ear lobes yes, + d. Tongue rolling yes, + e. Hitchhiker's thumb yes, + f. Left thumb dominance yes, + g. Little finger bend No,- h. PTC taster yes, + i. Mid-digit hair no, - j. Facial dimples yes, + k. Freckles no, - l. Cleft chin no, - (+)=dominant (-)=recessive 2. Can the...
    918 Words | 4 Pages
  • Hardy Winebergg Questions - 414 Words
    Genetics test Week 31 Hardy Weinberg 1. If the frequency of allele p in a certain population is 0.78, what is the frequency of allele q? (1) 2. If the frequency of recessive homozygotes for a particular gene within a population is 0.36, what is the frequency of the recessive allele? (1) 3. What does the “2pq” part of the equation represent? (1) The peppered moth Biston betularia showed an increase in melanic (dark) forms during the industrial revolution. In most...
    414 Words | 3 Pages
  • Hardy Weinberg - 1618 Words
     Hardy Weinberg Lab I. Purpose: The Hardy Weinberg principle states that the allele and gene frequencies will stay constant from generation to generation as long as no other evolutionary influences come along. The evolutionary influences can be things such as mutation, mate choice, selection, genetic drift, gene flow, and meiotic drive. Frequency is the proportion of individuals in a certain category relative to the total number of individuals considered. The frequency of an allele or genotype...
    1,618 Words | 6 Pages
  • biology review - 1491 Words
    QUESTIONS 1. According to the Hardy-Weinberg theorem, p + q 1 and p2 + 2pq + q2 1. What does each of these formulas mean, and how are the formulas derived? p + q 1: If you add all the dominant alleles for a gene to all the recessive alleles for the gene, you get all of the alleles for that gene, or 100% of the alleles for the gene. (Note: This assumes the gene has only two alleles.) p2 + 2pq + q2 1: If you combine all the individuals that are homozygous dominant for a gene with...
    1,491 Words | 6 Pages
  • Genetics of Ascospore Color in Sordaria lab
    Introduction: To achieve genetic experiments with haploid organisms, genetic strains of different genotypes must be crossed from one another. Following fertilization and meiosis, the meiotic products can be analyzed as the ascomycete fungus, Sordaria fimicola. Sordaria can be used as a model to study meiotic segregation. The trait followed was the ascospore color. Ascospore color is a single gene trait therefore it is easily observed under a light microspore. Which allele is dominant is very...
    910 Words | 4 Pages
  • Genetic Disease 4 - 373 Words
    Assignment #2 – Patterns of Inheritance First: Answer the following question. Which disease types, autosomal dominant or autosomal recessive are generally more common / persistent in populations? Explain your answer. (Please do not guess or otherwise invent your answer! Rather, do some research and reading, i.e. Chap. 14!) Sickle cell disease is a autosomal recessive trait that occurs due to the single base substitution in DNA. Second: Demonstrate this principle by showing the...
    373 Words | 4 Pages
  • Mendelian Inheritance in Drosophila - 1157 Words
    Lab#3 Mendelian Inheritance in Drosophila Lab Report 1 In this experiment we are investigating the strength of the ratios discovered by Gregor Mendel in both the monohybrid and dihybrid cross. The ability to test these ratios stems from the use of Mendel’s law of segregation which states that during meiosis allele pairs will separate in gametes so one of each allele is present in a gamete. (Garey, et al,pg 8-13) These single alleles are then combined with the other parental gamete...
    1,157 Words | 4 Pages
  • Mendelian Write Up - 989 Words
    Jordan Alyce Norris November 7, 2014 Biology 111-J3 Predicting Patterns of Inheritance Using Monohybrid and Dihybrid Crosses Introduction This experiment was on Mendelian Inheritance; which is the inheritance of biological features that are based on the rules proposed my Mendel. The purpose of this experiment was to show how to predict patterns of inheritance by using Punnett Squares to perform monohybrid and dihybrid crosses. Two crosses were performed. Cross one consisted of heterozygous...
    989 Words | 10 Pages
  • PCB 3063: Study Guide
    PCB 3063 Spring 2012 Problem Set 1 ANSWERS 1. Determine the types of gametes produced by each of the following individuals: a. Aa 1/2 A, 1/2 a b. AaBb 1/4 AB, 1/4 Ab, 1/4 aB, 1/4 ab c. AABb 1/2 AB, 1/ Ab d. AaBBCc 1/4 ABC, 1/4 aBC, 1/4 ABc, 1/4 aBc 2. Use the Punnett square to determine the genotypes in the progeny of each of the following crosses: a. Dd x Dd b. AaBB x AaBB c. CcEE x CCEe Notice: in every case, each parent...
    1,647 Words | 7 Pages
  • The Gene Lab - 1263 Words
    The Gene Lab 1. Introduction The purpose of this report is to inform dog breeders of a very common genetic disease known as Progressive retinal atrophy (PRA). The report will also inform buyers of the disease so they are aware of the disorder and they can check to dog’s pedigree for the disease. PRA could affect any dog, as a result of this it is recommended that the offspring should be examined by a board-certified veterinary ophthalmologist and screened for the existence of the disorder....
    1,263 Words | 4 Pages
  • Genetics - 339 Words
    Associate Program Material Genetics Worksheet Review the images below and answer the follow-up questions. Questions: 1. According to the pedigree, is cystic fibrosis inherited as a dominant or as a recessive trait? Explain how you made your conclusion using evidence from the pedigree and the principles of genetics. -Cystic fibrosis is inherited as a recessive trait. Each child of 2 carriers has a ¼ chance of...
    339 Words | 4 Pages
  • Genetics - 1078 Words
    EXTENTION OF MENDELIAN INHERITANCE Objective The objectives of this experiment were to observe Mendel’s law with inheritance trait of the curly wing mutation and the interactions between the mutant genes of vestigial wings and curved wings in Drosophila. Results Part A Cross A (wildtype females X curly males) Male Female Wild type 1 2 Curly wing 0 1 Table 1. The number of the phenotypes and sex of offspring of the Cross A Cross B (curly females X curly males) Male Female...
    1,078 Words | 13 Pages
  • Genetics Practice Problems - 288 Words
    BROOKDALE COMMUNITY COLLEGE Genetics Practice Problems 1 In snapdragon plants, flower color is transmitted by incomplete dominance. If a red flowering plant mates with a pink flowering plant, what phenotypes are possible in their offspring? Show the phenotypic ratio also. 2 In humans, freckles are dominant to no freckles. If a male with no freckles mates with a female who is heterozygous for freckles, what is the probability of their child having freckles? 3 Cystic fibrosis is...
    288 Words | 2 Pages
  • Genetics Exam 2 Practice Questions
    Samples of old exam questions 1. Two pure-breeding mutant plants produce white flowers. When they are crossed, all of the progeny have wild-type purple flowers. What does this genetic complementation test tell you? a. The genes are part of distinct biosynthetic pathways b. The two lines exhibit different mutations in the same gene c. More than one gene is involved in determining the phenotype d. The allele is pleiotropic e. The allele exhibits incomplete dominance 2. In a testcross of...
    857 Words | 7 Pages
  • Genetics Jargon - a Mini Dictionary
    GENETICS JARGON Alleles (allelomorphs) Alternative forms of a particular gene. There can be several alleles of a particular gene in the population, but only 2 alleles can be inherited by a single individual. For simplicity much literature aimed at the general reader uses "gene" where it means "allele". Allelic Series A series of alleles that are all mutant forms of the same gene and are at the same locus (same position on the chromsome). Alternate Heredity Mendelian inheritance involving...
    7,369 Words | 24 Pages
  • AU Quiz 1 - 604 Words
    Chapter 1 Question 1 Not yet answered Marked out of 1 Flag question Question text Theories are vital tools because they Select one: A. provide organizing frameworks for observing children. B. provide the ultimate truth about child development. C. do not require scientific verification. D. are resistant to the influence of cultural values and belief systems. Question 2 Not yet answered Marked out of 1 Flag question Question text Reid believes that the difference between the immature being and...
    604 Words | 6 Pages
  • Block letter - 600 Words
     VT 410 Homework Assignment #2 Heredity, Genetics & Breeding & Ethics Reference: CALAS Module 3, Chapter 1,2,3 Notes 1) Define genetics Genetics is the science or knowledge of inheritance. 2) Distinguish between genotype and phenotype Genotype- The characteristics which are inherited are referred to as the genotype....
    600 Words | 3 Pages
  • Lab report - 759 Words
    Chapter 12 (Part 2) Explain the principle of independent assortment and its relation to meiosis: The segregation of chromosomes in anaphase I of meiosis explains Mendel's observation that each parent gives one allele for each trait at random to each offspring, regardless of whether the allele is expressed. The segregation of chromosomes at random during anaphase I explains Mendel's observation that factors, or genes, for different traits are inherited independently of each other. Apply...
    759 Words | 3 Pages
  • worksheet - 623 Words
    AP Biology: Unit 3: Cell Division & Genetics: Virtual Lab #4: Punnett Squares Instructions 1. Open the Virtual Lab: Punnett Squares: 2. The virtual lab simulation will be on the right side of the screen, and the “Question” column will be on the left side of the screen. 3. Click on the TV/VCR and watch the video. 4. Read the background information in the Question Column under “How can Punnett Squares help...
    623 Words | 3 Pages
  • hardy - 798 Words
    Population Genetics / Hardy-Weinberg Problems Directions: Work out the following problems on a separate piece of paper. Show ALL work and circle your answers. 1) If the frequency of a recessive allele is 30% in a population of 100 people, how many would you predict would be carriers of this allele, but would not express the recessive phenotype? q= 0.30 p= 0.70 Carriers = 2pq = 2(.3)(.7) = .42 #= (.42)(100) = 42 individuals 2) From a sample of 278 American Indians, the following...
    798 Words | 6 Pages
  • Genetic Crosses Lab - 608 Words
    Name: Larken McRorie Date: 12/2/2014 Graded Assignment Lab Report Answer the questions below. When you are finished, submit this assignment to your teacher by the due date for full credit. Lab Report: Genetic Crosses 1 You may wish to construct the Punnett squares on scratch paper first before you fill in the Punnett squares on the Lab Report. Answer the questions below. When you are finished, submit this assignment to your teacher by the due date for full credit. Part 1: Monohybrid...
    608 Words | 5 Pages
  • Workbook 6.2 - 1487 Words
    Lesson 6.2: True or False Name___________________ Class______________ Date________ Write true if the statement is true or false if the statement is false. T 1. The rules of probability apply to genetics. T 2. If an individual has a Gg genotype, half of his gametes should have the G allele, and the other half should have the g allele. F 3. A Punnett square is a chart that allows you to easily determine the expected genotypes in the offspring of two parents. (expected percents) T 4. In a cross...
    1,487 Words | 6 Pages
  • Fruit Fly Lab - 617 Words
    Fruit Fly Lab Introduction The major topic of this experiment was to examine two different crosses between Drosophila fruit flies and to determine how many flies of each phenotype were produced. Phenotype refers to an individual's appearance, where as genotype refers to an individual's genes. The basic law of genetics that was examined in this lab was formulated by a man often times called the "father of genetics," Gregor Mendel. He determined that individuals have two alternate...
    617 Words | 2 Pages
  • Fruit Fly - 500 Words
    Genetics & Drosophila Melanogaster Lab Report Background: For two months, you will breed Drosphila melanogaster (fruit flies) and set up genetic crosses in order to determine the pattern of inheritance of certain mutant traits. The traits for which we will examine the pattern of inheritance are apterous (wingless), vestigial (crippled wings) or white eyes. These are all mutant strains. The normal condition (winged and red eyes) is referred to as the wild type strain. Objective: The...
    500 Words | 3 Pages
  • Genetic Observations Through the Studies of Hybrid Corn, Single Gene
    Genetic Observations Through The Studies of Hybrid Corn, Single Gene Human Traits, and Fruit Flies The basic foundation of modern genetics was led by Gregor Mendel (Corcos, 1993). Mendel was not the first to experiment with heredity, and our Lyman Briggs biology class will not be the last to deal with genetics. Genetics is the science of heredity. In our lab, we had three main objectives. First, we evaluated our data on monohybrid and dihybrid corn cross seed counts against Mendel's...
    1,881 Words | 6 Pages
  • Brassica Rapa - 1981 Words
    INVESTIGATION OF THE INHERITANCE OF THE ROSETTE GENE IN BRASSICA RAPA By: Justine Poorbaugh Foundations of Biology 2 Laboratory Thursday 2:30 PM Professor Cheek April 21, 2011 ABSTRACT The Brassica rapa is a rapid growing plant that has a standard form and a mutant rosette form. Relative to normal plants, the rosette form is shorter and takes longer to flower. The mode of inheritance of the rosette gene was tested by crossing two true-breeding plants, one of each form. The F1...
    1,981 Words | 7 Pages
  • Toothpick Fish - 539 Words
    Toothpick Fish Problem How many gene combinations of fish skin color can there be with the three different colors, the different ways of matching them? Objective The toothpicks represent three different forms of a gene with three different colors that control each one of them one fish trait: skin color Materials • 1 “gene pool” container (e.g. a petri dish) • 8 green toothpicks • 8 red toothpicks • 8 yellow toothpicks Instruments The green toothpick represented as a gene, in the...
    539 Words | 2 Pages
  • sex linked genetic disorders
    Sex linked genetic disorders Fragile x syndrome Sex-linked traits are genetic characteristics determined by genes located on sex chromosomes. Genes are pieces of DNA on chromosomes that carry information that are responsible for inheriting traits. Different forms of the same gene are called alleles. One allele for a certain trait is inherited from a mother and one from a father. These traits are passed down from parent to their offspring by sexual reproduction. Fragile X syndrome (FXS) or...
    307 Words | 1 Page
  • Determining the Unknown Genotype of Corn Plants of the Zea Mays Species from the Phenotypes of Offspring Produced
    Scientific Paper 4-10-13 Determining the Unknown Genotype of Corn Plants of the Zea mays Species from the Phenotypes of Offspring Produced Abstract No one particular organism is an exact replica of another. Diversity in the world is key for future generations to adapt to the fast changing world. This lab observed the corn plant of the Zea mays species to determine the genotype for the gene of tall versus dwarf in unknown parent corn plants by observing the seedlings produced. It was...
    1,258 Words | 4 Pages
  • Genetics Problems. Bio 30
    Genetics Practice Problems, book #1 1. In peas, the gene for tallness is dominant to the gene for shortness. What offspring phenotypes and genotypes would be expected from the following crosses, and in what proportions? a. Heterozygous x heterozygous b. Heterozygous x homozygous tall c. Homozygous tall x homozygous short 2. If blue eye color in man is recessive to all other colors, could: i. Brown eyed parents have a blue eyed...
    4,145 Words | 15 Pages
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