V2EX euploid

Euploid

定义 Definition

(遗传学/细胞遗传学)整倍体的;染色体组数为单倍体数(n)的整数倍(如 2n、3n、4n),染色体“成套、平衡”。常与 aneuploid(非整倍体)相对。

发音 Pronunciation

/jupld/

例句 Examples

A euploid cell has a complete set of chromosomes.
整倍体细胞具有一整套染色体。

In many plants, euploid polyploidy can increase cell size and affect traits such as fruit size and stress tolerance.
在许多植物中,整倍性多倍体可能增大细胞体积,并影响如果实大小和抗逆性等性状。

词源 Etymology

eu- 来自希腊语,意为“好、正常”;**-ploid** 与“倍性(ploidy)”相关,源自希腊语中表示“折叠/倍数”概念的词根,用于描述染色体组的“倍数关系”。因此 euploid 字面含义可理解为“倍数关系正常/成套的”。

相关词 Related Words

文学与著作中的用例 Literary Works

  • Molecular Biology of the Cell(Alberts 等):在讲解细胞分裂错误与染色体数目异常时,对比 euploidaneuploid
  • Genetics: A Conceptual Approach(Benjamin A. Pierce):在“染色体数目变异”章节中,用 euploid 描述整套染色体倍增(多倍体)现象。
  • Principles of Genetics(Snustad & Simmons):讨论多倍体(polyploidy)与整倍性变化时使用 euploid 术语。
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