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Biology · SEXUAL REPRODUCTION IN FLOWERING PLANTS

हिन्दी

What is the ploidy level of the cells of the nucellus, megaspore mother cell, functional megaspore, and female gametophyte, respectively?

  1. 2n, 2n, n, n
  2. 2n, n, n, n
  3. n, 2n, n, 2n
  4. 2n, 2n, 2n, n

Correct answer · Option 1

2n, 2n, n, n

Explanation

Cells of nucellus and MMC are diploid (2n). The MMC undergoes meiosis to form haploid megaspores (n), and the functional megaspore mitotically forms the haploid female gametophyte (n).
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