Question

The method of female gametophyte / embryo sac formation from a single megaspore is termed as ________?

Answer 1

The female gametophyte is also commonly called the embryo sacor megagametophyte. The male gametophyte, also called the pollen grain or microgametophyte, develops within the anther and consists of two sperm cells encased within a vegetative cell (Gifford and Foster, 1989). (A) Ovule.

In most flowering plants, a single megaspore mother cell present at the micropylar pole of the nucellus region of the ovule undergoes meiosis to produce four haploid megaspores. Later, out of these four megaspores, only one functional megaspore develops into the female gametophyte, while the remaining three degenerate.


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