NEET Previous Year Question

During which phase(s) of cell cycle, the amount of DNA in a cell remains at 4C level if the initial amount is denoted as 2C?

Topic: NEET PYQ

Answer: D. Full step-by-step solution below.

  1. A and
  2. B and S
  3. COnly
  4. D and M

Correct answer: D

Solution

(d) The DNA content is 2C in phase. During the S phase, DNA replication increases it from 2C to 4C. It remains 4C throughout and most of M phase, until cell division is completed.

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