Cell Cycle Phases (G1, S, G2, M) · NCERT Biology

Which of the following is the correct sequence of phases in the cell cycle?

  1. S -> G1 -> G2 -> M
  2. G1 -> S -> G2 -> M
  3. M -> G1 -> G2 -> S
  4. G1 -> G2 -> S -> M
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Correct answer: G1 -> S -> G2 -> M

The cell cycle follows a specific chronological order. It begins with G1 (Gap 1), followed by S (Synthesis), then G2 (Gap 2), and finally the M phase (Mitosis).

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