http://www.biologyjunction.com/images/doublefertilazation.jpg- Occurs Mostly in Angiosperms
- pollen tube contains two haploid (1n) sperm
- one sperm fuses with or fertilizes an egg to produce a diploid (2n) zygote which becomes the seed
- The second sperm fuses with two, usually haploid, polar nuclei to form a triploid (3n) nucleus which becomes the endosperm
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