What is meant by monosporic development of female gametophyte?
The female gametophyte or the embryo sac develops from a single functional megaspore. This is known as monosporic development of the female gametophyte. 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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With a neat, labelled diagram, describe the parts of a typical angiosperm ovule.
Ovule with funiculus lying close to micropyle is known as
Mature Polygonum type embryo sac has got
Embryo sac is