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. Â The genes act by producing DNA-binding protein which is highly conserved sequences.
Thus, Option-B is the correct answer.