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In angiosperms, zygote is diploid while ...

In angiosperms, zygote is diploid while primary endosperm cell is tripolid. Explain

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The zygote is formed by the fusion of haploid male and female gametes, therefore, it is diploid, Whereas, primary endosperm cell is formed by the fusionof one haploid male gamete with two haploid polar nuclei, therefore it is diploid. Whereas, primary endosperm cell is formed by the fusion of one haploid male gamete with two polar nuclei, therefore it is triploid.
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