Problems-Genetics

Problems-Genetics - BIOL 1000 Practice Genetics Problems 1....

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BIOL 1000 Practice Genetics Problems 1. In wolves, black coat (a) is recessive to normal coat (A). Brown eyes (B) are dominant to blue (b). The alpha male and female of a pack are: black with blue eyes, and normal color coat with brown eyes (doubly heterozygous) Over several years, they produce 16 offspring. What proportion of the offspring would you expect to have: A) normal coat, blue eyes? B) black coat, blue eyes? C) the genotype AABB? D) the genotype AaBb? 2. In snapdraons, R = red flower, r = white flower, R and r are incompletely dominant. What offspring (phenotype and genotype) do you expect from these crosses: RR x rr? Rr x Rr? 3. Baby X has blood type AB Baby Y has blood type O Baby Z has blood type A parents I have blood types O and B parents II have blood types O and AB parents III have blood types A and B Match the parents to the babies. 4. In humans right-handedness is dominant to left. Brown eyes are dominant to blue. A right-handed, blue-eyed man and a right handed, brown-eyed wife have these children: 1 is right-handed, blue-eyed 1 is left-handed, brown-eyed What are the parents’ genotypes? 5. In the cross AaBbCC x AABbcc What proportion of the offspring would you expect to have this genotype: AabbCc?
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6. Hemophilia is a sex-linked trait. A normal husband and wife have a hemophiliac son.
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Problems-Genetics - BIOL 1000 Practice Genetics Problems 1....

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