BioScience Dictionary

 
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Found Double fertilization 1 time.

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1. Double fertilization
A characteristic of angiosperms in which a pollen tube carries two sperm cells to the female gametophyte in the ovule . One sperm cell fuses with the egg cell and gives rise to a diploid embryo The other sperm cell fuses with the two polar cells to form a triploid cell that develops into the endosperm .