V2EX complex trait

Complex Trait

释义 Definition

(遗传学/生物学)复杂性状:由多个基因环境因素共同影响的性状,通常呈连续分布、难以用单一基因解释(如身高、血压、糖尿病风险等)。也常与“数量性状(quantitative trait)”相关。

发音 Pronunciation (IPA)

/kmpleks tret/

例句 Examples

Complex traits like height depend on many genes.
像身高这样的复杂性状受许多基因影响。

In genome-wide association studies, researchers look for variants that contribute small effects to complex traits across large populations.
在全基因组关联研究中,研究者会在大规模人群中寻找对复杂性状产生微小影响的遗传变异。

词源 Etymology

complex 源自拉丁语 complexus(“缠绕在一起的、由多部分构成的”),强调“多因素交织”;trait 源自法语 trait(“特征、表现”)。合起来指“由多种因素共同构成的特征/性状”,在现代遗传学语境中常用来描述多基因与环境共同作用的性状。

相关词 Related Words

文学与重要著作 Literary Works

  • Introduction to Quantitative Genetics(D. S. Falconer & T. F. C. Mackay)讨论复杂性状/数量性状的经典教材
  • Genetics and Analysis of Quantitative Traits(Michael Lynch & Bruce Walsh)系统分析复杂性状的遗传结构与统计方法
  • The Gene: An Intimate History(Siddhartha Mukherjee)在通俗叙述中涉及复杂性状与遗传研究的难点
  • Nature Reviews Genetics 等综述文章常以 “complex traits” 讨论全基因组关联研究与遗传结构
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