V2EX dizygotic

Dizygotic

释义 Definition

dizygotic(形容词):(指双胞胎)二卵性的、异卵的;由两个不同受精卵分别发育而成的(因此遗传相似度通常与普通兄弟姐妹相近,而非完全相同)。也常见说法:dizygotic twins(异卵双胞胎)。

发音 Pronunciation

/dazatk/

例句 Examples

Dizygotic twins can be different genders.
异卵双胞胎可以是不同性别。

In twin studies, researchers often compare dizygotic twins with monozygotic twins to estimate genetic influence on a trait.
在双胞胎研究中,研究者常把异卵双胞胎与同卵双胞胎进行比较,以估计遗传因素对某种特征的影响。

词源 Etymology

来自前缀 di-(“二、双”)+ zygotic(“与合子有关的”)。zygote(合子)源自希腊语 zygotos,意为“结合的、成对的”。因此 dizygotic 字面意思就是“由两个合子(两个受精卵)形成的”。

相关词 Related Words

文学/著作中的用例 Literary Works

  • Williams Obstetrics(《威廉姆斯产科学》):在多胎妊娠章节中常用 dizygotic 区分异卵与同卵双胎。
  • Langman’s Medical Embryology(《兰曼医学胚胎学》):在“双胎发生”相关内容中使用 dizygotic 描述异卵双胎的形成机制。
  • The Selfish Gene(Richard Dawkins,《自私的基因》):在讨论亲缘关系与遗传相似度时,常涉及同卵/异卵双胞胎(dizygotic/monozygotic)的对比语境。
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