In Rats, the P Gene Allele for Pigmentation (P) Is

Multiple Choice

In rats, the P gene allele for pigmentation (P) is dominant to the allele for albinism (p) . The B gene allele for black pigmentation (B) is dominant to the allele for cream pigmentation (b) . The pp homozygous recessive genotype is epistatic to any allele combination at gene B.
-Predict the genotypes and phenotypes of the F₁ progeny of a cross between a pure-breeding black rat and an albino that is also homozygous for cream.

A) PP BB, black
B) Pp Bb, black
C) Pp Bb, albino
D) pp Bb, albino