Breeders can use a Punnett square, such as the one below, to predict the outcome of a genetic cross. mc008-1.jpg If the genotype of both parents was Aa, what would be expected of the genotypes among their possible offspring?
Half would have the genotype AA.
Half would have the genotype Aa.
Three-quarters would have the genotype aa.
Three-quarters would have the genotype Aa.