Question

True-breeding black-eyed fruit flies were crossed with true-breeding orange-eyed fruit flies and all the offspring had black eyes. Next, the researchers crossed two orange-eyed fruit flies. What is the expected phenotype(s) of the offspring

Answer 1

Answer:

They have a defect in their "white" gene, which normally produces the red pigments in the eye. In these flies, the white gene only works partially, producing fewer red pigments than it should. These flies have white eyes