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What is triple fusion ?...

What is triple fusion ?

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(i) During fertilization proces in Angiosperms , the pollen grain produces two sperms.
(ii ) One sperm , fuses with the egg and forms a diploid zygote .
(iii ) Another sperm fuses with the secondary nucleus (2n ) of the embryo sac and forms a triploid endosperm nucleus . This is called triple fusion .
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