Biology, asked by Poojaarora8059, 8 months ago

How many gametes are in pollen grain when pollen tube at the time of entering into ovule? *

Answers

Answered by Anonymous

0

Answer:

Two sperm

Upon insertion of a single pollen tube into an ovule the pollen tube bursts and realeases two sperm cells.When the sperm cells complete firtilization the ovule blocks the entry of the other pollen tube and developes into a seed by forming and embroyo and endosperm....

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