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The correct sequence of phases of cell cycle is:

1. M → G₁ → G₂ → S
2. G₁ → G₂ → S → M
3. S → G₁ → G₂ → M
4. G₁ → S → G₂ → M

Correct answer: G₁ → S → G₂ → M

Solution

The cell cycle proceeds through G₁ for growth, S for DNA replication, G₂ for final preparation, and M for mitosis/cytokinesis. This is the standard sequence of events in a dividing eukaryotic cell.

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