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What is the function of the two male gam...

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

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Of the two male gametes produced by each pollengrain, one male gamete fuses with the egg to form Diploid zygote (Syngamy). The second male gamete fuses with the secondary nucleus to form primary endosperm nucleus (Tripple fusion).
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