The primary endosperm nucleus is formed by th | vedclass

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Question

(B) In angiosperms,double fertilization occurs. One male gamete fuses with the egg cell to form a zygote $(n + n = 2n)$. The other male gamete fuses w

Vedclass · Accepted Answer

$3$ nuclei

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(B) In angiosperms,double fertilization occurs. One male gamete fuses with the egg cell to form a zygote $(n + n = 2n)$. The other male gamete fuses with the two polar nuclei (or the secondary nucleus) present in the central cell. This process is known as triple fusion because three haploid nuclei $(n + n + n = 3n)$ fuse together to form the primary endosperm nucleus $(PEN)$. Therefore,the $PEN$ is formed by the fusion of $3$ nuclei.

The primary endosperm nucleus is formed by the fusion of:

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