V2EX sex-determination

Sex-determination

定义 Definition

性别决定;性别判定:指生物体在发育过程中由遗传因素(如性染色体、基因)和/或环境因素(如温度、社会环境)共同作用,最终形成雄性、雌性或其他性别类型的机制与过程。该术语在遗传学、发育生物学与生态学中常用。(在不同语境下也可泛指“确定性别”的过程。)

发音 Pronunciation

/sks dtmnen/
/sks dtmnen/

例句 Examples

Sex-determination can depend on chromosomes.
性别决定可能取决于染色体。

In some reptiles, sex-determination is influenced by incubation temperature, which can shift the sex ratio of a population over time.
在一些爬行动物中,性别决定会受到孵化温度影响,这可能随着时间推移改变种群的性别比例。

词源 Etymology

sex(性别)+ determination(决定、确定)组成的复合名词;其中 determination 源自拉丁语 dētermināre,意为“划定界限、限定、确定”。整体字面义即“对性别的确定/决定”。

相关词 Related Words

文学与著作 Literary Works

  • Developmental Biology(Scott F. Gilbert):讨论发育过程中性别决定与分化机制。
  • Principles of Development(Lewis Wolpert 等):涵盖动物发育中的性别决定相关内容。
  • Genetics: A Conceptual Approach(Benjamin A. Pierce):在遗传学章节中介绍性别决定的经典模型(如 XY/ZW 系统)。
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