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NTA Abhyas NEET2020BotanyCell Cycle and Cell DivisionPractice

If 46 chromosomes are present at the G 1 phase, then the number of chromosomes after S phase would be:

Options

  1. A23
  2. B92
  3. C47
  4. D46

Correct answer

D. 46

Step-by-step solution

The number of chromosome remains same in S phase, the amount of genetic material doubles. In anaphase-telophase the number of chromosome becomes twice when the centromere splits.

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