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单词 double fertilization
释义

double fertilization

noun

: fertilization characteristic of seed plants in which one sperm nucleus fuses with the egg nucleus to form an embryo and another fuses with polar nuclei to form endosperm

Example Sentences

Recent Examples on the Web These double fertilization events seem to explain at least some honeybee gynandromorphs, though male-female hybrids in other species can manifest in other ways. Katherine J. Wu, Smithsonian Magazine, 2 Apr. 2020

Word History

First Known Use

circa 1909, in the meaning defined above

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更新时间:2024/11/10 18:04:35