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Index/Topics/Sex and Gender Definitions

Sex and Gender Definitions

Scientific literature distinguishes between biological sex and socially constructed gender, with evolving definitions and complexities.

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Jan 14, 2026
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What is the biological definition of sex versus gender?

Biological sex is a multidimensional classification based on physical and physiological traits—chromosomes, reproductive anatomy, hormones and related biology—most commonly labeled male or female at b...