Answer to Question #254279 in Genetics for masie

Question

If a homozygous grey mouse and a white mouse mate, what would be the genotype and phenotype of the offspring if grey was dominant to white?

Answer 1

Because the genotypes Aa and AA both result in the grey fur phenotype, the probability that the offspring will have grey fur is 34

 (or 75%), and the probability that the offspring will have white fur is 14

 (or 25%).