Teaching MPPSC Assistant Professor Mock Test Series 2025 Life Sciences Developmental Biology Gametogenesis, fertilization and early development
In Drosophila melanogaster, a mutation in Ultrabithorax which defines the third segment of the thorax or T3 leads to development of four winged flies, as the halteres develop into a second pair of wings. Which ONE of the following phenotypes in fly will result from overexpression of Ultrabithorax in the second thoracic segment?
1
Four winged flies
2
Two wings and two halteres flies.
3
Flies with four halteres.
4
Flies with two halteres.