Ais an individual which has a heterozygous genotype. queen victoria was one since she was heterozygous with the recessive allele for hemophilia.

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.

the correct answer is c   with the systems