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

In a typical 24-hour cell cycle of a human cell, approximately how long does the actual M phase (mitosis) last?

  1. 23 hours
  2. 12 hours
  3. 1 hour
  4. 90 minutes
Show answer and explanation

Correct answer: 1 hour

Interphase lasts for more than 95% of the duration of the cell cycle. In a 24-hour cycle, the M phase typically lasts for only about one hour.

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