V2EX mutagen

Mutagen

释义 Definition

mutagen(名词):诱变剂;能引起生物体(尤其是 DNA)发生突变的物质或因素(如某些化学物质、辐射等)。也可泛指能增加突变率的“致突变因素”。

发音 Pronunciation

/mjutdn/

例句 Examples

A mutagen can damage DNA and increase the risk of mutations.
诱变剂可能损伤 DNA,并增加发生突变的风险。

Scientists tested whether the chemical acted as a mutagen in bacterial cells under controlled conditions.
科学家在受控条件下测试这种化学物质在细菌细胞中是否具有诱变作用。

词源 Etymology

来自 mutation(突变)+ 后缀 -gen(“产生……的东西”,源自希腊语 -genēs / *gen-*,与“生成、产生”相关)。因此 mutagen 字面意思就是“产生突变的东西”。

相关词 Related Words

文学作品 Literary Works

  • Richard Dawkins, The Selfish Gene(《自私的基因》):书中在讨论“突变”与自然选择时会涉及“诱变因素/致突变影响”等概念语境(常见于相关章节的科学叙述中)。
  • Rachel Carson, Silent Spring(《寂静的春天》):在环境污染与化学物质危害的讨论中,常出现与“致癌、致突变(mutagenic)/诱变剂”相关的表述与语境。
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