A purebred wingless red eyed fruit fly is crossed with a purebred winged sepia-eyed fruit fly to produce f1 flies. The f1 flies are crossed to produce f2 flies. What is the phenotypic ratio of the f2 flies

A purebred wingless red eyed fruit fly is crossed with a purebred winged sepiaeyed fruit fly to produce f1 flies The f1 flies are crossed to produce f2 flies Wh class=