"Allele" Essays and Research Papers

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Reebop Lab

legsTail ColourtTTtRed tailGender X tX tX t X tFemaleDisordersXX tX X tColour BlindLeg NumberNNNN6 legsBlood typeiiiiO blood typeSkin ColorFgHfGHFfggHH2nd lightestj) If your ReeBop has three eyes, your ReeBop will only live 2 years. What type of alleles are these? Find an example of where this actually occurs in a real situation. A ReeBop that has three eyes, resulting in him/her living for only 2 years is related to lethal alleles.The genes that result in a reebop having three eyes is homozygous...

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Hemochromatosis

the situation from going extreme. Less damage would be done at the early stage and there would be no severe organ damage. Classroom Connection This disorder is Autosomal recessive because a child needs two alleles to have the disorder as discussed in class. If he gets only one affected allele, he would not have the disorder but still will be affected somewhat. Personal Opinion This disease is very harmful once it happens but it is very easy to prevent. It is good and only needs a good and healthy...

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Fruit Fly Lab

formulated by a man often times called the "father of genetics," Gregor Mendel. He determined that individuals have two alternate forms of a gene, referred to as two alleles. An individual can me homozygous dominant (two dominant alleles, AA), homozygous recessive, (two recessive alleles, aa), or heterozygous (one dominant and one recessive allele, Aa). There were tow particular crosses that took place in this experiment. The first cross-performed was Ebony Bodies versus Vestigle Wings, where Long wings...

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Bio 156 lab 7 genetics

always heterozygous. 3. Select a trait of interest. a. What is the trait? (1 point) b. What is the phenotype for the trait? Is this the dominant or recessive allele for the trait? (2 points) c. What are the possible genotypes for the parents? (2 points) d. Include the results of one Punnett square, showing a possible combination between alleles for the trait from the parents by filling in the genotypes according to the numbers in the square, below.   1  2  3 5  6  4 7 8 e. Based on the cross, what...

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Speech

Know definitions of the words used for Meiosis, Mendel's work and Genetics Dominant – expression that is always expressed when its gene recessive - An expression that is expressed only when its allele is the only form of the gene present in the genotype. incomplete dominance - Neither allele is dominant to the other, thus each is expressed in the heterozygous genotype producing an intermediate phenotype. EX. Red (RR) and White (R’R’) snapdragons produce pink (RR’). epistasis - A condition...

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Patterns of Inheritance

also hold true for genetics due to the law of independent assortment. Each alternative type of outcome in a gene acts independently of the other possible outcomes. Alleles: Each of the possible forms a gene is called an allele. Most genes will have 2 alleles. Dominant – The allele that appears most frequently. Recessive – The allele that appears least frequently. Dominant v. Recessive: Dominant – Freckles, Widows Peak, Free Earlobe Recessive – No Freckles, Straight Hair Line, Attached Earlobe...

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Biology

4 white kittens Explain the evidence that the allele for white fur is recessive * Parents are heterozygous * Kittens receive white allele from parents /black cat Predict the likely ratio of colours of kittens born to a cross between this black male and a white female * 1 :1 Explain how this type of selection led to a decrease in the frequency of the recessive allele * The recessive allele confers disadvantage/ the dominant allele confers advantage/more likely to survive / reproduce ...

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Lab report

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 the rules...

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Somethin

1. Allele-One of two or more alternative forms of a gene that arise by mutation and are found at the same place on a chromosome Example: Most multicellular organisms have two sets of chromosomes, that is, they are diploid Example: Allelic variation at a locus is measurable as the number of alleles present, or the proportion of heterozygotes in the population. 2. Gene-A unit of heredity that is transferred from a parent to offspring and is held to determine some characteristic of the offspring ...

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Genetic Crosses Lab

submit this assignment to your teacher by the due date for full credit. Part 1: Monohybrid Cross—Predicting Freckles in an F1 Generation Apply your understanding of how alleles assort and combine during reproduction to evaluate a scenario involving a monohybrid cross. The allele for having freckles (F) is dominant over the allele for not having freckles (f). Some characteristics in people are inherited as simple dominant and recessive traits. One example is freckles. Freckles is a dominant trait...

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