Q. In $Drosophila$ , the sex is determined by
A) The ratio of pairs of X-chromosomes to the pairs of autosomes
B) Whether the egg is fertilized or develops parthenogenetically
C) The ratio of number of X-chromosomes to the set of autosomes
D) X and Y-chromosomes
Explanation
The correct answer is Option A: The ratio of pairs of X-chromosomes to the pairs of autosomes.
A detailed explanation for this question is being prepared.
Reviewed by Dr. Abubacker
Physics Educator & NEET/JEE Specialist
Ph.D. in Physics with 19+ years of teaching experience.