The Sex of the Fruit Fly Drosophila Melangaster Is Determined

Multiple Choice

The sex of the fruit fly Drosophila melangaster 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 you had a normal-eyed female and did not know whether she was homozygous or heterozygous, you could determine her genotype by mating her with

A) any kind of male.
B) normal-eyed males only.
C) bar-eyed males only.
D) homozygous, bar-eyed males only.