V2EX multifactorial inheritance

Multifactorial Inheritance

释义 Definition

多因素遗传:指某种性状或疾病的发生由多个基因环境因素共同作用决定,而不是由单一基因突变直接决定。常见于身高、体重、血压,以及部分常见疾病(如2型糖尿病、冠心病、唇腭裂等)。
(也常与“多基因遗传 polygenic inheritance”相关,但多因素遗传更强调环境参与。)

发音 Pronunciation (IPA)

/mltifktril nhertns/

词源 Etymology

multifactorialmulti-(“多、多个”)+ factorial(“因素的/由因素构成的”)组成;inheritance 源自拉丁语词根,表示“继承、遗传”。合起来字面意思就是“由多种因素共同决定的遗传”。

例句 Examples

Multifactorial inheritance makes it hard to predict disease risk from genes alone.
多因素遗传使得仅凭基因很难预测疾病风险。

In genetic counseling, multifactorial inheritance is often explained using a combination of family history and environmentalexposures.
在遗传咨询中,多因素遗传常通过家族史与环境暴露的综合信息来解释。

相关词 Related Words

文学与著作 Literary Works

  • Thompson & Thompson Genetics in Medicine(医学遗传学教材中常用该术语讨论常见病风险)
  • Emery’s Elements of Medical Genetics and Genomics(介绍多因素遗传与遗传咨询要点)
  • Robbins & Cotran Pathologic Basis of Disease(在常见疾病病因学部分涉及遗传与环境共同作用)
  • Falconer, D. S. (1965). “The inheritance of liability to certain diseases…”(经典论文,相关模型常用于解释多因素遗传的“易感性/阈值”框架)
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