V2EX autosome

Autosome

释义 Definition

autosome(常染色体):指不是性染色体(X 或 Y)的染色体。在人类中,常染色体共有 22 对;它们携带决定多数身体特征与生理功能的基因(当然也与许多疾病相关)。另有较少见的含义指“常染色体遗传/常染色体性状”等相关用法。

发音 Pronunciation

/tsom/

例句 Examples

An autosome is any chromosome that is not X or Y.
常染色体是指任何不是 X 或 Y 的染色体。

Because the mutation is on an autosome, both males and females can inherit the disorder.
由于该突变位于常染色体上,男性和女性都可能遗传这种疾病。

词源 Etymology

来自希腊语构词:**auto-**(“自身的、自动的”)+ -some(源自 sōma,“身体”)。在遗传学里,用来表示“属于一般身体染色体、不同于决定性别的染色体”的那一类染色体。

相关词 Related Words

文学与著作中的用例 Literary Works

  • The Gene: An Intimate History(《基因:亲密史》Siddhartha Mukherjee)讨论遗传机制时会区分常染色体性染色体
  • Molecular Biology of the Gene(《基因的分子生物学》Watson 等)在基因定位、遗传图谱与染色体结构章节常出现 autosome
  • Principles of Genetics(《遗传学原理》Snustad & Simmons)讲解孟德尔遗传拓展到常染色体遗传(autosomal inheritance)时频繁使用该词。
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