What is polentube ??????¿?????????????????
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a hollow tube which develops from a pollen grain when deposited on the stigma of a flower. It penetrates the style and conveys the male gametes to the ovule.
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Answer:
a tube which grows when pollen lands on the top of the female part in the middle of a flower (stigma) to carry the male cell to the part that contains the female cell (ovule)
this is meant by pollen tube
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