Question

A mouse is homozygous recessive for brown fur (bb). Its father was
heterozygous (Bb) for fur color. Which genotypes could the mother
have had?


A. BB
B.bb or Bb
C.BB or Bb
D.bb

Answer 1

Answer:

bb or Bb

Explanation:

The father gave a b.   Mother needs to so she must have a b, but she only needs one.

Answer 2

Answer:

It's bb or Bb

Explanation: