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heterofertilization

noun
het·​ero·​fertilization | \ "+\

Definition of heterofertilization

: double fertilization in a seed plant (as maize) that results in phenotypically and probably genotypically different endosperm and embryo heterofertilization is considered to result when the polar nuclei and the egg fuse with male nuclei of differing genetic constitution

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History and Etymology for heterofertilization

heter- + fertilization

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