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Question:

31) 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:

A) All +bt +vg heterozygotes

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Last update by Shanal on 11/06/2013
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Question: 31) 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: A) All +bt +vg heterozygotes