anth_lab1 - Lab 1- Genetics Exercise 1.1 Gamete Formation...

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Lab 1- Genetics Exercise 1.1 Gamete Formation 1. What are gametes? They are sex cells that have half of the number of chromosomes of an adult of that species. 2. Are gametes formed by meiosis of nuclear or mitochondrial DNA? Gametes are formed by meiosis of nuclear DNA because mitochondrial DNA does not divide during meiosis. 3. What are the gametes that can be produced by the following individuals? a) AABB- AB b) AaBB- AB and aB c) AABBcc- ABc d) AAbbCc- ACb and Abc Exercise 1.2 Phenotype Summary
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Trait Number Number of Dominant Phenotyp e Number of Recessive Phenotyp e % Dominant % Recessive Yourself Dominant/ Recessive PTC Tasting 24 17 7 71% 29% PP, Pp Tongue Rolling 24 15 9 62.5% 37.5% RR,Rr Earlobes 24 16 8 67% 33% EE, Ee Darwin’s Tubercle 24 7 17 29% 71% DD,Dd Hitchhike r Thumb 24 20 4 83% 17% TT, Tt Hand Clasping 24 11 13 46% 54 FF, Ff Hair Whorl 24 22 2 92% 8% HH, Hh Ear Wax 24 23 1 96% 4% AA, Aa Palmaris longus 24 3 21 12.5% 87.5% bb
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Exercise 1.3 Genotype Formation 1. What are the possible genotypes for each of the phenotypes tested in the
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anth_lab1 - Lab 1- Genetics Exercise 1.1 Gamete Formation...

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