Explore BrainMass

Expected genotype and phenotype ratios

Assume a gene for warped wings (W) in Drosophila that is dominant and X-linked. give the expected genotype ratios and phenotype ratios for the progeny of each of the following crosses:

a)warped male x normal female
b)warped heterozygous female x normal male
c)warped heterozygous female x warped male

Solution Preview

If W is both dominant and X-linked, then any offspring that have even one copy of ...