Question

What is meant by monosporie development of female gametophyte?

Answer 1

The female gametophyte or the embryo sac develops from a single functional megaspore. ... In most flowering plants, a single megaspore mother cell present at the micropylar pole of the nucleus region of the ovule undergoes meiosis to produce four haploid megaspores.

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Answer 2

Monosporie development of female gametophyte:

• Megasporogenesis is the growth and development of the gametophyte into megaspore.

• When the female gametophyte (embryo sac) develops from one or a single megaspore, such sort of development is called Monosporic development.

• Generally, in most of the Angiosperm species, the megaspore mother cell then further divides into f"our haploid megaspores arranged in a linear organisation" through the process of Meiosis.

• Out of these "four haploid megaspores", three haploid megaspores degenerate while one remains functional and develops into a female gametophyte.