A Researcher Crosses a White Eyed Female Drosophila with a Red

Essay

A researcher crosses a white eyed female Drosophila with a red eyed male.Knowing that the gene for eye color is sex linked,he expects to observe only red-eyed females and white eyed males in the progeny.However,he observes that while most of the progeny are as expected,a small percentage of the females have white eyes.Explain what may have occurred to cause this result.