The Sex of the Fruit Fly Drosophila Melanogaster Is Determined

Multiple Choice

The sex of the fruit fly Drosophila melanogaster is determined as follows: XX chromosomes give a female and XY give a male. The gene for bar eyes is recessive and located on the X chromosome. If a male with normal eyes is mated with a female who has normal eyes but is heterozygous,

A) all of the female offspring will have bar eyes.
B) 1/2 the offspring will have bar eyes.
C) 1/2 the males will have bar eyes.
D) none of the offspring will have bar eyes.