V2EX anisogamous

Anisogamous

释义 Definition

(生物学)异配子的;大小配子生殖的。指有性生殖中两种配子在大小、形态或资源投入上明显不同的情况(典型如:体积较大的卵与较小的精子)。该词也可用于描述采取这种配子类型的物种或生殖方式。

发音 Pronunciation (IPA)

/n.as..ms/

例句 Examples

Many animals are anisogamous, producing large eggs and small sperm.
许多动物属于异配子生殖,会产生较大的卵和较小的精子。

In anisogamous species, differences in gamete size often shape mating strategies and sexual selection.
在异配子生殖的物种中,配子大小差异常常会影响交配策略与性选择的方向。

词源 Etymology

来自希腊语构词:aniso- 表示“不相等、不同”(如 anisotropic “各向异性”),**-gamy** 来自 gamos婚配、结合”,合起来字面意思是“不相等的结合/配子结合”。与之相对的是 isogamous(同配子:配子大小相近)。

相关词 Related Words

文学与著作 Literary Works

  • John Maynard Smith, The Evolution of Sex(讨论同配子/异配子与性进化框架,常使用 anisogamy/anisogamous 相关术语)
  • Matt Ridley, The Red Queen: Sex and the Evolution of Human Nature(涉及性选择与两性差异的演化背景,常提及异配子概念)
  • 权威进化生物学教材(如 Evolution 类教材的性选择章节)(解释各向投入差异与异配子生殖对行为与策略的影响,常出现该词)
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