Answer:
The correct answer will be option-B
Explanation:
A Homeotic selector gene is a class of genes which encodes the transcription factors which initiates the segment-specific gene regulation.
The selector gene act throughout the development phase of Drosophila and specifies the identity of the cell, tissue and organ during development. The genes act by producing DNA-binding protein which is highly conserved sequences.
Thus, Option-B is the correct answer.
