SC Labster Mendelian Inheritance Genotypes & Sex Linked Traits Worksheet

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A. Mendelian Genetics in Mice: 1. Define PHENOTYPE. What is the PHENOTYPE of the mice with black fur? 2. Define GENOTYPE. What is the GENOTYPE of the mice with black fur? 3. Insert a 3x3 table below to use as a Punnett Square. Fill in the squares for the crossing of the F2 mice (i.e., provide the genotype for the Punnett Square cross). Purebred black (aa) and brown (AA) mice are generation P (parent), while their offspring (Aa) are F1 (First Filial). Mating F1 with each other (Aa x Aa) gives you F2 (Second Filial). Your table should look like this (the gametes are filled in): Gametes ΙΑ a A fill in genotype fill in genotype a fill in genotype fill in genotype 4. What will be the phenotypic ratio (number of brown mice to number of black mice) of the B. Sex-linked Traits: 1. What is the genotype of a colorblind male? 2. What is the genotype of a colorblind female? 3. What is the genotype of Joseph? 4. Why is a male more likely to be colorblind than a female?
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A. Mendelian Genetics in Mice
1. Define PHENOTYPE. What is the PHENOTYPE of the mice with black fur?
The phenotype is an organism's set of observable characteristics. Its phenotype is its black
fur.
2. Define GENOTYPE. What is the GENOTYPE of the mice with black fur?
The genotype consists of an organism's DNA segments or genes. It wi...

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UT Austin

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