Endosperm of angiospermic plant is:
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triploid
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diploid
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haploid
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tetraploid
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none of the above
A
Correct answer
Explanation
One sperm fertilises the egg cell and the other fertilises the central cell. The resulting embryo and endosperm are genetically identical except for ploidy level: the embryo is diploid and the endosperm is triploid.