Feb 5, 2026
How many sexes are there
Biologically, scientists most commonly define sex by reproductive role—who produces small, mobile gametes (sperm) and who produces large, nutrient-rich gametes (ova)—which yields two sexes, male and f...
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The distinction between biological sex and gender identity, with an emphasis on the cultural mediation of gender and its broader implications beyond binary biological definitions.
Biologically, scientists most commonly define sex by reproductive role—who produces small, mobile gametes (sperm) and who produces large, nutrient-rich gametes (ova)—which yields two sexes, male and f...
is a complex, multifactorial phenomenon shaped by biology, prenatal development, social environment and personal experience, and major scientific and medical authorities treat gender identity as disti...