Suppose That Pigmentation of a Labrador Retriever's Fur Is Subject

Multiple Choice

Suppose that pigmentation of a Labrador retriever's fur is subject to epistasis of the B alleles by the e alleles. B (black) is dominant over b (chocolate brown) . E is dominant over E.Homozygous e is epistatic to the black and chocolate-brown genes. Given this information, what will result from a F₁ dihybrid cross between two dogs?

A) 9/16 black, 6/16 brown, 1/16 yellow
B) 9/16 black, 3/16 brown, 4/16 yellow
C) 9/16 yellow, 6/16 brown, 1/16 black
D) 9/16 yellow, 3/16 brown, 4/16 black