What is the ploidy of a functional megaspore?

a) 2n

b) n

c) 4n

d) None of the above

Answer: b) n

Explanation: The ploidy of a functional megaspore is haploid(n). A megaspore is developed inside the nucellus of an ovule. The megaspore mother cell undergoes megasporogenesis to produce four haploid megaspore cells. One of the cells further goes on to become an embryo sac and the rest of the three degenerate.

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