In Drosophila,vestigial Wings (Vg)is a Recessive Autosomal Mutant Allele,and Yellow

Essay

In Drosophila,vestigial wings (vg)is a recessive autosomal mutant allele,and yellow body (y)is a recessive X-linked mutant allele.The wild-type alleles,vg⁺ and y⁺ control normal wings and dark-brown body colour respectively.If a homozygous yellow,vestigial female is crossed to a normal male and the F₁ offspring are interbred,what will be the phenotypes and ratios of the F₁ and F₂?