Question

A certain species of rabbit can have either black or grey fur. The allele for black fur is dominant over the allele for grey fur. If a homozygous black rabbit is crossed with a heterozygous black rabbit, what phenotypic ratio will occur in the first generation?

Answer 1

Answer:

1:1

Explanation:

let the gene expression for black rabbit homozygous is:BB

heterozygous black rabbit is:Bb

for first filial generation,

BB. Bb. are parents

if we cross them same are obtained.

so the ratio is 1:1

homozygous black and heterozygous black are children

Answer 2

Answer:

100% black and 0% grey. hope the helped:)