V2EX chromosome

Chromosome

释义 Definition

染色体:细胞核(或某些细胞的拟核)中携带遗传信息的结构,由 DNA 和蛋白质(如组蛋白)组成,包含许多基因,决定生物的遗传特征。(常见含义;在遗传学语境中也可引申为某一条“染色体”的编号或类型,如 X 染色体。)

发音 Pronunciation (IPA)

/kromsom/

例句 Examples

Chromosomes carry genetic information.
染色体携带遗传信息。

A change in a single chromosome can affect development and increase the risk of certain diseases.
某一条染色体发生变化可能影响发育,并增加某些疾病的风险。

词源 Etymology

chromosome 来自希腊语词根:**chroma-**(“颜色”)+ -soma(“身体”)。19 世纪末,科学家在显微镜下使用染色剂观察细胞分裂时,发现这些结构容易被染色、显得“有颜色的身体”,因此得名。

相关词 Related Words

文学作品中的用例 Literary Works

  • Richard Dawkins, The Selfish Gene(《自私的基因》)在讨论基因作为选择单位时,会涉及基因在染色体上的承载与传递方式。
  • Matt Ridley, Genome: The Autobiography of a Species in 23 Chapters(《基因组:人种自传(23章)》)以“23条染色体”为线索组织叙述,频繁使用 chromosome
  • Siddhartha Mukherjee, The Gene: An Intimate History(《基因:亲密的历史》)讲述遗传学史与现代基因研究时,多处出现 chromosome
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