Afarmer has chosen to breed a rooster and a chicken. he selects the chicken that has historically laid the most eggs. the farmer is doing biological selection evolution artificial selection cross breeding

not the best question format lol but what i think might as scale color is controlled by a single gene with two alleles, the green allele and the yellow allele. when moths that are homozygous for green scales are mated with moths that are homozygous for yellow scales, 100% of the offspring have green scales.