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| Term | polar nucleus fusion | ID (Ontology) | GO:0010197 (Gene Ontology) |
| Definition | The merging of the polar nuclei, the two nuclei contained within the same cell that are created from the mitotic division of the megaspore during angiosperm reproduction. Polar nuclear fusion takes place in the ovule, forming in the fusion nucleus and giving rise to the endosperm when fertilized. | ||
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nucleus organization |__karyogamy________________________________ megagametogenesis | |__embryo sac central cell differentiation__| cell differentiation | |__embryo sac central cell differentiation__| organelle fusion | |__karyogamy________________________________| polar nucleus fusion |
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| Is a | karyogamy | ||
| Part of | embryo sac central cell differentiation | ||
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