Question 73

(Multiple Choice)

Use the following information to answer the questions 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 to 1/4 vestigial ratio
E)1/2 bent and vestigial to 1/2 normal

Answer