The Bithorax mutation in Drosophila results in a pair of wings developing from what would normally develop as halters. Bithorax is an example of a _____ mutation.
A)segmentation
B)maternal-effect
C)gap-gene
D)homeotic

Question

Quizplus · Accepted Answer

The Bithorax mutation causes a homeotic transformation, which is a change in the identity of a body part. Instead of developing halteres in the second thoracic segment, the mutation causes the development of a pair of wings, which are normally only found on the third thoracic segment.

The Bithorax Mutation in Drosophila Results in a Pair of Wings