What change can be observed in the chromosome number during S phase?

Question

What change can be observed 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 the case of haploid cell

Tardigrade Admin · Accepted Answer

There is no increase in the chromosomes number during S-phase. If the cell has diploid or 2n number of chromosomes at G1, even after S phase the number of chromosomes remains the same, i.e., 2n.

Q. What change can be observed in the chromosome number during S phase?

No change

The number of chromosome doubles

The number of chromosome doubles only in case of diploid cell

The number of chromosome doubles only in the case of haploid cell

There is no increase in the chromosomes number during S-phase. If the cell has diploid or 2n number of chromosomes at G₁, even after S phase the number of chromosomes remains the same, i.e., 2n.