White eyes is a recessive sex-linked trait in fruit flies.If a white-eyed female fruit fly is mated to a red-eyed male,their offspring should be
A) 50 percent red-eyed and 50 percent white-eyed for both sexes.
B) all white-eyed for both sexes.
C) all white-eyed males and all red-eyed females.
D) all white-eyed females and all red-eyed males.
E) 50 percent red-eyed males,50 percent white-eyed males,and all red-eyed females.

Question

Quizplus · Accepted Answer

In fruit flies, the gene for eye color is located on the X chromosome. A white-eyed female (XwXw) crossed with a red-eyed male (X+Y) will produce all white-eyed males (XwY) and all red-eyed females (X+Xw).

White Eyes Is a Recessive Sex-Linked Trait in Fruit Flies