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NTA Abhyas NEET2020BotanyCell Cycle and Cell DivisionPractice

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

Options

  1. AG 0 and G 1
  2. BG 1 and S
  3. COnly G 2
  4. DG 2 and M

Correct answer

D. G 2 and M

Step-by-step solution

The sequential events that lead to formation of the new daughters by cell division and preceded by duplication of its genome is termed as cell cycle. Whole cell cycle is broadly divided into two parts -interphase and divisional phase. The interphase is divided into - G 1 phase - The cell grows and develops by been metabolically active but does not duplicate the genetic content. S phase - In the synthesis phase, DNA duplication occurs. The genetic content is doubled in this phase. There is no increase in the chromos

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