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Biology 19 Online
OpenStudy (anonymous):

A pollen grain contains the male gametophyte, which is _______ .

OpenStudy (deepika.comet):

any guess..!!

OpenStudy (deepika.comet):

ok which may be three celled or two celled..

OpenStudy (deepika.comet):

three celled stage - one vegetative cell and one generative cell out of which one divides into two male gamates. two celled stage - one vegetative cell and one generative cell and note the pollen grains are mostly observed to be present in tetrad stage..!!

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