The endosperm of an angiosperm is ....

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(A) In angiosperms,the process of double fertilization occurs. One male gamete fuses with the egg cell to form a diploid zygote $(2n)$,while the other

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Triploid

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(A) In angiosperms,the process of double fertilization occurs. One male gamete fuses with the egg cell to form a diploid zygote $(2n)$,while the other male gamete fuses with the two polar nuclei to form the Primary Endosperm Nucleus $(PEN)$. This process is known as triple fusion. Since the $PEN$ is formed by the fusion of three haploid nuclei $(n + n + n)$,the resulting endosperm is triploid $(3n)$.

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