Question

if you crossed two mice with white fur, what distribution of fur color would you expect in the offspring?
about 50% black and 50% white
about 75% black and 50% white
100% white
100% black

Explanation:

Step1: Assume white fur is a homozygous trait

If both parent mice have white fur and white fur is a homozygous - recessive or homozygous - dominant trait, they will pass on only the alleles for white fur.

Step2: Determine offspring's fur - color

Offspring inherit alleles from their parents. Since both parents have only white - fur alleles, all offspring will have white fur.

Answer:

100% white