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Number of cellular nuclei

Specify the number of cellular nuclei does the pollen tube of the angiosperms have? Specify the ploidy of each of these nuclei?

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The pollen tube which is the mature male gametophyte of the angiosperms has three cellular nuclei:

a) Two sperm nuclei, and

b) One tube cell nucleus.

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

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