Assume that in guinea pigs, dark brown fur (B)is dominant to black fur (b).If you mate a black guinea pig with a homozygous brown guinea pig, what proportion of the progeny will be homozygous?
A)none
B)1/4
C)1/2
D)3/4
E)all

Question

Quizplus · Accepted Answer

Since the black guinea pig can only have the genotype bb and the homozygous brown guinea pig must have the genotype BB, all offspring will have the genotype Bb, making none of them homozygous.

Assume That in Guinea Pigs, Dark Brown Fur (B)is Dominant