What is the function of the two male gametes | vedclass

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Question

(A) In angiosperms,each pollen grain produces two male gametes.$1$. The first male gamete fuses with the egg cell (syngamy) to form a diploid zygote $

Vedclass · Accepted Answer

One fuses with the egg cell to form a zygote,and the other fuses with the polar nuclei to form the primary endosperm nucleus.

Vedclass · Answer

(A) In angiosperms,each pollen grain produces two male gametes.$1$. The first male gamete fuses with the egg cell (syngamy) to form a diploid zygote $(2n)$,which eventually develops into an embryo.$2$. The second male gamete fuses with the two polar nuclei (or the secondary nucleus) in the central cell to form the primary endosperm nucleus $(PEN)$,which is triploid $(3n)$. This process is known as triple fusion.Together,syngamy and triple fusion constitute the process of double fertilization.

What is the function of the two male gametes produced by each pollen grain in angiosperms?

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