V2EX prezygotic

Prezygotic

定义 Definition

prezygotic(形容词):合子形成之前的;受精前的。常用于进化生物学与生态学中,指发生在受精之前、从而阻止不同种群/物种成功产生合子的生殖隔离机制(如求偶行为差异、繁殖季节不同、交配器官不匹配等)。

发音 Pronunciation

/prizatk/

例句 Examples

Prezygotic barriers can prevent mating.
受精前(合子形成前)的屏障可以阻止交配。

In many species, differences in courtship behavior act as prezygotic isolation, reducing gene flow long before fertilization could occur.
在许多物种中,求偶行为的差异会形成受精前隔离,使基因交流在受精发生之前很早就被降低。

词源 Etymology

由 **pre-**(“在……之前”)+ zygotic(“与合子有关的”)构成;其中 zygote(合子) 源自希腊语 zygotos,意为“连接在一起的、成对的”。因此 prezygotic 字面意思就是“在合子形成之前的”。

相关词 Related Words

文学与经典著作 Literary Works

  • Speciation(Jerry A. Coyne & H. Allen Orr)讨论物种形成时常用到 prezygotic isolation 等术语。
  • Evolution(Douglas J. Futuyma)进化生物学教材中系统讲解受精前/受精后隔离。
  • Campbell Biology(Urry 等)生物学教材“物种形成”章节常出现 prezygotic barriers 等表达。
  • Principles of Evolution(Jonathan B. Losos 等)在物种形成与基因流部分使用该词及相关概念。
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