openings and produce produce a fluid secretion clitoris – covered by a fold of skin ‚ the two labia minora meet at the clitoris .SPERMATOGENESIS : the process by which spermatozoa are produced from male primordial germ cells though mitosis and meiosis . it produces mature male gametes ‚ commonly called sperm but specifically known as spermatozoa . for humans ‚ entire process of spermatogenesis takes 74 days ‚ testes
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Figures of Speech Resemblance A. Simile - A simile is a figure of speech that directly compares two different things‚ usually by employing the words "like" or "as". 1) They fought like cats and dogs. 2) She is as thin as a toothpick. 3) Geoff is handsome as a prince. B. Metaphor - A metaphor is a literary figure of speech that uses an image‚ story or tangible thing to represent a less tangible thing or some intangible quality or idea; e.g.‚ "Her eyes were glistening jewels." 1) Life
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Lab manual/results/online article condensed notes Lab 1 · DNA is made up of deoxyribonucelotides · Components of DNA/RNA includes a 5 carbon sugar‚ a phosphate group‚ and a nitrogenous base · the negative charge associated with DNA/RNA is due to the phosphate groups · DNA is linked together by phosphodiester bonds (they are covalent bonds) · the energy required to create these bonds is from the cleavage of pyrophosphate‚ refer to figure 1.3 on page 4 and below. ·
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1) What was the most significant conclusion that Gregor Mendel drew from his experiments with pea plants? A) There is considerable genetic variation in garden peas. B) Traits are inherited in discrete units‚ and are not the results of "blending." C) Recessive genes occur more frequently in the F1 generation than do dominant ones. D) Genes are composed of DNA. E) An organism that is homozygous for many recessive traits is at a disadvantage. 2) How many unique gametes could be produced through
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CHAPT 1 - The scientific method allows the solving of problems and answering of questions. Observations Proposing ideas Testing the ideas Discarding or modifying ideas based on results Hypothesis: proposed explanation for a set of observations Hypotheses needs to be: Testable – it must be possible to examine the hypothesis through observations Falsifiable – it must be able to potentially be proven false Both logical and creative influences are used to develop a hypothesis A hypothesis
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Unit 2 Lecture Study Guide 1) What are the parts of an atom? Where are the subatomic particles found? a. The parts of an atom consist of protons‚ electrons‚ and neutrons. b. The subatomic particles are found in either the electron cloud‚ or the nucleus. The electrons are found in the electron cloud‚ which circles the atom‚ and the protons and neutrons are found in the tiny nucleus of the atom. 2) How does the Atomic Mass # differ from the Atomic #?
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figures + questions for Review and Thought (end of chapter) 7 Define the term “pleiotropy” and give an example of it. Ch. 12.6: “Brilliant Laws: Var…” text + figures 8 Compare the behavior of chromosomes and Mendelian alleles during meiosis. Ch. 12.7: early text + figure 9 Describe the karyotype of Drosophila melanogaster. Ch. 12.7: later text + figure 10 Apply Mendel’s principles to genetics problems that involve genes on sex chromosomes. Ch. 12.7: later text + figure
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Introduction Genetics: the science‚ which deals with the principles of heredity and variation. Heredity: transmission of characters from parents to their off spring. Variation: Differences for various characters among the individuals of the same species. Types of variation: 1. Environmental and 2. Hereditary 1. Heredity variation: Variation observed among the individuals of the same species due to difference in their genetic constitution is termed as heredity variation. 2. Environmental variation:
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1-A cross gives a 3:1 phenotypic ratio. What are the genotypes of the parents? 3:1. (heterozygous parents) 2- According to Mendel’s law of segregation‚ parents who both have the genotype Aa would produce what gametes? A germ cell Aa undergoes meiosis 3-What is the genotype of a plant that produces green peas? Yellow peas are dominant. Yy or yy when crossed with a heterozygote (Yy) will give some offspring that are green 4- To determine whether an animal with the dominant phenotype is heterozygous
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asexual reproduction. The growth and development of embryos occurs naturally in many plants‚ some invertebrate animal species and a few vertebrates. The offspring having all of the mothers genetic material are called full clones and they form without meiosis. This would mean that all offspring are female and would eventually eliminate the the male species. Humans should not partake in parthenogenesis because of the following: children of an asexual birth would not have a father‚ both organisms would be
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