In Fruit Flies,bar Eye Is Inherited by an X-Linked Allele

Multiple Choice

In fruit flies,bar eye is inherited by an X-linked allele (B for bar) .If a heterozygous bar-eyed female is mated to a non-bar-eyed male,what will be the expected ratio of phenotype given four offspring?

A) two bar-eyed females,two bar-eyed males
B) one bar-eyed and one non-bar-eyed female,one bar-eyed and one non-bar-eyed male
C) three bar-eyed females and one non-bar-eyed male
D) bar-eyed females only
E) non-bar-eyed males only