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Answer: 3. 1 Meiosis and 3 Mitosis

Key idea: Count divisions from megaspore mother cell (MMC) to the 7-celled, 8-nucleate embryo sac.

  1. MMC undergoes 1 meiosis to give 4 megaspores; 3 degenerate.
  2. The functional megaspore divides mitotically 3 times: 1 nucleus to 2 to 4 to 8.

Total: 1 meiosis and 3 mitosis. Option 3.

Doubtly AI · 30 Oct 2026 AI-generated · not yet verified Report
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