After pollination how does fecundation occur in angiosperms? In these plants is fecundation dependent on water?

3 months ago

After pollination one of the sperm nuclei from the pollen tube unites with the oosphere of the embryonic sac forming the diploid (2n) zygote. The other sperm nucleus fuses with the polar nuclei of the embryonic sac originating a triploid (3n) cell that by mitosis will turn into the secondary endosperm of the seed. The synergids and the antipodal cells degenerate after the fecundation process. Fecundation in these plants is indepednet from water.

Dipti KC
May 26, 2023
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