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Cellular nuclei-Pollen tube of angiosperms

How many cellular nuclei does the pollen tube of the angiosperms have? What is ploidy of each of the nuclei?

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The pollen tube that is mature male gametophyte of the angiosperms has three cellular nuclei: two sperm nuclei and one tube cell nucleus.

All those nuclei are fraction of male gametophyte of plant and therefore each of them is haploid (n).

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