Primary endosperm nucleus is formed by the fu | vedclass

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(B) The correct answer is $B$. In angiosperms,the process of double fertilization involves two events: syngamy and triple fusion. The primary endosper

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Two polar nuclei and one male gamete

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(B) The correct answer is $B$. In angiosperms,the process of double fertilization involves two events: syngamy and triple fusion. The primary endosperm nucleus $(PEN)$ is formed by the fusion of two haploid polar nuclei (which form the diploid secondary nucleus) and one haploid male gamete. Since this process involves the fusion of three haploid nuclei,it is termed as triple fusion. This results in the formation of a triploid $(3n)$ primary endosperm nucleus.

Primary endosperm nucleus is formed by the fusion of:

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