What is meant by monosporic development of female gametophyte?.
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=>>When the female gametophyte (embryo sac) develops from a single megaspore, it is called monosporic development.
Usually, in most angiosperms, the megaspore mother cell divides by meiosis to form four haploid megaspores arranged in a linear fashion. The three haploid megaspores situated towards the micropyle degenerate, while one remains functional which develops into the female gametophyte.
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The angiosperm female gametophyte is critical for plant reproduction. It contains the egg cell and central cell that become fertilized and give rise to the embryo and endosperm of the seed, respectively. ... One resulting haploid megaspore then develops into the female gametophyte.
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