Describe the development of endosperm in Angiosperms.
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Double fertilization. Endosperm is formed when the two sperm nuclei inside a pollen grain reach the interior of a female gametophyte (sometimes called the embryo sac). ... About 70% of angiosperm species haveendosperm cells that are polyploid.
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The endosperm of the angiosperms or mainly the flowering plants are mainly triploid in nature.
Double fertilization takes place where the female gametophyte fuses with the two sperm nuclei from the pollen. Where one of the sperm(nuclei) fuses with central cell and the other with the egg cell(synergids). This is also called triple fusion.
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