V2EX twin study

Twin Study

释义 Definition

双生子研究:一种常用于遗传学与行为科学的研究方法,通过比较同卵双胞胎异卵双胞胎在某些特征(如身高、疾病风险、智力、人格等)上的相似程度,来估计遗传因素环境因素各自的影响大小。(该术语也可泛指以双胞胎为对象的相关研究。)

例句 Examples

Twin studies help scientists estimate how much genes influence a trait.
双生子研究帮助科学家估计基因对某种特征的影响有多大。

Using a large twin study, researchers found that both heredity and upbringing shape personality, but their effects can vary across cultures.
研究人员借助一项大规模双生子研究发现:遗传与成长环境都会塑造人格,但它们的影响在不同文化中可能有所差异。

发音 Pronunciation

/twn stdi/

词源 Etymology

twin(双胞胎)+ study(研究)。该短语在20世纪行为遗传学与流行病学发展中逐渐成为常用术语,用来指代以双胞胎为“自然对照”的研究设计:同卵双胞胎基因几乎相同,而异卵双胞胎基因相似度较低,因此两者比较可用于推断遗传与环境的相对贡献。

相关词 Related Words

文学与著作中的用例 Literary Works

  • Behavioral Genetics(Robert Plomin 等):介绍并大量讨论 twin study 在性状与行为研究中的经典用法。
  • How Genes Influence Behavior(Jonathan Flint 等):以 twin study 等方法解释基因与行为之间的关系。
  • The Gene: An Intimate History(Siddhartha Mukherjee,《基因传》):在讲述遗传学史与证据时提及双生子研究的意义。
  • The Nature and Nurture of Human Intelligence(Robert Plomin):在智力研究语境中讨论 twin study 的证据与局限。
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