V2EX aneuploidy

Aneuploidy

释义 Definition

非整倍体(现象):指细胞或个体的染色体数目不是整倍数,通常表现为多了一条或少了一条染色体(如 2n±1),从而导致基因剂量失衡。常见于某些遗传疾病与肿瘤细胞中。(该词在遗传学中还有更细分的类型划分。)

发音 Pronunciation

/njupldi/

例句 Examples

Aneuploidy can cause serious developmental problems.
非整倍体可能导致严重的发育问题。

Researchers found widespread aneuploidy in the tumor cells, suggesting ongoing chromosomal instability.
研究人员在肿瘤细胞中发现广泛的非整倍体现象,这提示染色体不稳定性仍在持续。

词源 Etymology

aneuploidy 来自希腊语构词:an-(否定,“不、无”)+ eu(“良好、正常”)+ -ploid(与“倍性/染色体组数”有关,源于 plous “倍数、更多”)+ -y(名词后缀)。字面含义可理解为“不正常的倍性状态”。

相关词 Related Words

文学作品中的用例 Literary Works

该词主要属于现代遗传学与细胞生物学术语,更常见于科研论文与科普著作而非传统文学经典。较常被引用或讨论的代表性书目包括:

  • The Selfish Gene(Richard Dawkins):在基因与遗传机制的讨论背景下可能涉及相关概念与术语。
  • The Gene: An Intimate History(Siddhartha Mukherjee):叙述遗传学史与疾病时常触及染色体异常相关内容(包括非整倍体)。
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