Question

explain double fertilisation in plants...

Answer 1

Double fertilization is a complex fertilization mechanism of flowering plants (angiosperms). This process involves the joining of a female gametophyte (megagametophyte, also called the embryo sac) with two male gametes (sperm).

Answer 2

heeya

Double fertilization is complex mechanism of fertilization in flowering plants or angiosperms. Double fertilization is joining of a female gametophyte with two male gametes. One sperm nucleus fertilizes the egg cell and the other sperm combines with the two polar nuclei of the megagametophyte. The haploid sperm and haploid egg combine to form a diploid zygote. The other sperm nucleus fuse with the other two haploid polar nuclei of the megagametophyte to form a triploid nucleus, this develops into a endosperm and is called the primary endosperm nucleus. This entire phenomenon of fertilization that involves the fusion of the egg and one male gamete and the fusion of the other male gamete with the secondary or the polar nuclei is called double .

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