Assertion: S or synthesis phase marks the period during which amount of DNA per cell doubles. Reason: Increase in the chromosome number; if the cell had diploid or 2n number of chromosomes at G₁, after S-phase the number of chromosomes becomes 4n.
- AAssertion and reason both are true and the reason is correct explanation of assertion.
- BAssertion and reason both are true but reason is not correct explanation of assertion.
- CAssertion is true but reason is wrong.
- DAssertion and reason both are wrong.
✓ Correct answer: C
Want the full step-by-step reasoning?