Biology, asked by gkhuteta8682, 1 year ago

How does the megaspore mother cell develop into 7-celled and 8-nucleate embryo sac in an angiosperm? Draw a labelled diagram of a mature embryo sac.

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Answered by ghrithikgupta441

Answer:

The female gametophyte (embryo sac) develops from a single functional megaspore. This megaspore undergoes three successive mitotic divisions to form eight nucleate embryo sacs. ... Hence, at maturity, the female gametophyte appears as a 7-celled structure, though it has 8 nucleate.

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