Question

Mouse pigmentation is subject to epistasis of the B alleles by the d alleles. B (black) is dominant over b (brown), and D is dominant over d. Homozygous d is epistatic to the black and brown genes. Given this information, what will result from a F1 cross between two mice?

Answer 1

Answer:

An F1 cross between two mice will result in progeny of black, brown and white.

Explanation:

In particular, the progeny will be:

9/16 black

3/16 brown

4/16 white