自体受精 self-fertilization,autogamy
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自体受精 self-fertilization, autogamy 异体受精的对义词。在雌雄同体动物中,指同一个体所产生的精子与卵细胞进行受精的过程。在植物方面也以此作为自交的定义。种子植物自花受粉后进行自体受精(自花受精)。寡毛目(例如蚯蚓)及有肺腹足类(如蜗牛)等动物,原则上为异体交配,但也有例外而行自体受精的,雌雄同体的海鞘类则另有一种结构防止同一个体产生的卵与精子受精。
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