Q. What would be the change in the chromosome number, during S-phase?
A) No change
B) The number of chromosome doubles
C) The number of chromosome doubles only in case of diploid cell
D) The number of chromosome doubles only in case of haploid cell
Explanation
During S-phase, there is no increase in the chromosomes number. If the cell has diploid or 2n number of chromosomes at $G_{1}$, even after S-phase the number of chromosomes remains the same, i.e., 2n
Reviewed by Dr. Abubacker
Physics Educator & NEET/JEE Specialist
Ph.D. in Physics with 19+ years of teaching experience.