V2EX autosome

Autosome

定义 Definition

Autosome(常染色体)是指除性染色体以外的任何一条染色体。人类共有23对染色体,其中22对为常染色体,1对为性染色体(X和Y)。常染色体携带着决定大部分身体性状的基因,与性别决定无关。

发音 Pronunciation

/tsom/

例句 Examples

Humans have 22 pairs of autosomes and one pair of sex chromosomes.
人类有22对常染色体和1对性染色体。

Genetic disorders caused by mutations on autosomes are called autosomal disorders, which can be inherited regardless of the individual's sex.
由常染色体上的基因突变引起的遗传疾病被称为常染色体遗传病,无论个体性别如何都可能遗传。

词源 Etymology

该词源自希腊语,由 **auto-**(意为"自身的、自动的")和 soma(意为"身体")组合而成。字面意思是"自身的身体(染色体)",暗示这类染色体与身体的一般性状有关,而非专门决定性别。该词于20世纪初随着遗传学的发展而被正式引入科学术语。

相关词汇 Related Words

文学与学术引用 Literary & Academic References

  • 托马斯亨特摩根(Thomas Hunt Morgan)的经典著作 The Theory of the Gene(1926)中大量讨论了常染色体与性染色体的区别,这是现代遗传学的奠基之作。
  • 马特里德利(Matt Ridley)的科普名著 Genome: The Autobiography of a Species in 23 Chapters(1999)以每条染色体为一章展开叙述,其中大量章节涉及常染色体上的基因故事。
  • 悉达多穆克吉(Siddhartha Mukherjee)的 The Gene: An Intimate History(2016)中详细介绍了常染色体遗传病的发现历程及其对人类遗传学理解的推动作用。
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