V2EX recessive

Recessive

定义 Definition

recessive(形容词)隐性的;隐退的;(遗传学)隐性遗传的。最常见用法指遗传特征中“被显性基因掩盖、只有在成对出现时才表现出来”的性状。(也可用于形容趋势“退缩/减弱”,但较少见。)

发音 Pronunciation

/ rssv /

例句 Examples

A recessive gene may not show in every generation.
隐性基因不一定在每一代都会表现出来。

Although the trait is recessive, it can reappear when two carriers have a child.
尽管这种性状是隐性的,但当两个携带者生育孩子时,它仍可能再次出现。

词源 Etymology

来自拉丁语 recedere(后退、退回),由 re-(向后)+ cedere(走、让步)构成。recessive 原意带有“后退、退隐”的含义,后来在遗传学中用于表示“在表现上被‘退到后面’、被显性特征掩盖”的性状或基因。

相关词 Related Words

文学与著名作品 Literary Works

  • H.G. Wells《The Island of Doctor Moreau》(《莫罗博士岛》):作品涉及生物改造与“遗传/生物特征”等讨论,常见相关语境中会出现如 recessive 这类遗传学词汇。
  • Richard Dawkins《The Selfish Gene》(《自私的基因》):科普作品讨论基因如何影响性状表达,常在遗传语境中使用包括 dominant / recessive 在内的术语。
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