1.
A homozygous dominant brown mouse is crossed with a heterozygous brown mouse (tan is the
recessive color).

A homozygous dominant brown mouse is crossed with a heterozygous brown mouse

B= brown mouse

b= black mouse

Bb= heterozygous brown mouse

Bb x Bb= BB, Bb, Bb, and bb 3:1 genotype

phenotype with 3 brown mouse and 1 black mouse offspring

Explanation:

c

explanation:

i think

i think that it is c, d, and e, hope this