V2EX recessive

Recessive

释义 Definition

**形容词 (adj.)**:隐性的;退缩的;后退的。在遗传学中,指一种基因特征,只有在两个等位基因都为该类型时才会表现出来。在一般用法中,也可形容趋于后退或不显眼的事物。

发音 Pronunciation

/rssv/

例句 Examples

The disease is caused by a recessive gene, so both parents must carry it.
这种疾病由隐性基因引起,因此父母双方都必须携带该基因。

Although her artistic talent seemed recessive during childhood, it emerged powerfully in her twenties when she began painting full-time.
尽管她的艺术天赋在童年时期似乎是隐而不发的,但在她二十多岁开始全职绑画时,这种才能便强烈地显现了出来。

词源 Etymology

该词源自拉丁语 recessus,是动词 recedere 的过去分词形式,意为"后退、退去",由 **re-**(向后)和 cedere(走、让步)构成。19世纪后期,奥地利遗传学家孟德尔(Gregor Mendel)在研究豌豆遗传规律时,将这一概念引入生物学,用 recessive 来描述那些在杂合状态下不会表现出来的遗传特征,与 dominant(显性的)相对。此后该词在遗传学领域被广泛使用。

相关词汇 Related Words

文学作品引用 Literary References

  • 在理查德道金斯(Richard Dawkins)的《The Selfish Gene》(自私的基因)中,recessive 是解释基因表达和自然选择机制的核心术语之一。
  • 在奥尔德斯赫胥黎(Aldous Huxley)的《Brave New World》(美丽新世界)中,遗传学概念包括隐性基因的讨论,反映了对基因工程社会的想象。
  • 在辛克莱刘易斯(Sinclair Lewis)的《Arrowsmith》中,主人公作为医学研究者接触到遗传学知识,recessive 作为科学术语出现在对话与叙述中。
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