If Ubx were expressed in the second thoracic segment in Drosophila,the fly would likely develop _______ on the second segment.
A) a new set of wings
B) a larger set of wings
C) a set of halteres
D) eyes
E) antennae

Question

Quizplus · Accepted Answer

Ubx is responsible for the formation of halteres instead of wings in the third thoracic segment of Drosophila. If expressed in the second thoracic segment, it would also cause the formation of halteres instead of the normal wings that would develop in that segment.

If Ubx Were Expressed in the Second Thoracic Segment in Drosophila,the