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
In $Drosophila$, sex is determined by the ratio number of X-chromosomes to the set of autosomes.
Reviewed by Dr. Abubacker
Physics Educator & NEET/JEE Specialist
Ph.D. in Physics with 19+ years of teaching experience.