Please Use the Following Information to Answer the Question(s) Below

Multiple Choice

Please use the following information to answer the question(s) below.
Drosophila (fruit flies) usually have long wings (+) , but mutations in two different genes can result in bent wings (bt) or vestigial wings (vg) .
-If a homozygous bent wing fly is mated with a homozygous vestigial wing fly, which of the following offspring would you expect?

A) all +bt +vg heterozygotes
B) 1/2 bent and 1/2 vestigial flies
C) all homozygous + flies
D) 3/4 bent and 1/4 vestigial flies
E) 1/2 bent and vestigial and 1/2 normal flies