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

Question

Quizplus · Accepted Answer

All offspring from this cross will be heterozygous (Bb), as the homozygous black guinea pig (bb) can only pass on the b allele, and the homozygous brown guinea pig (BB) can only pass on the B allele.

Assume That in Guinea Pigs,dark Brown Fur (B)is Dominant to Black