Question

Mention the reason for difference in ploidy of zygote and primary endosperm nucleus in an angiosperm

Answer 1

Zygote is formed by fusion of male gamete(n) and egg cell (n), hence diploid (2n).Primary endosperm nucleus is formed by the fusion of two polar nuclei or secondary nucleus(n+n) and male gamete(n), hence triploid(3n)


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