+Biological sex refers to the classification of organisms, typically into male or female, based on their reproductive anatomy and [Gametes](/wiki/gametes). It is determined by distinct biological characteristics, often involving [Chromosomes](/wiki/chromosomes) and gonads, defining roles in sexual reproduction.
+## See also
+- [Reproduction](/wiki/reproduction)
+- [Gender](/wiki/gender)
+- [Intersex](/wiki/intersex)
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