Sexual characteristics
Characteristics that distinguish the sexes, primary and secondary / From Wikipedia, the free encyclopedia
"Gonadal sex" redirects here. For sexual characteristics in humans, see Sexual differentiation in humans.
"Sex characteristics" redirects here. For the legal term, see Sex characteristics (legal term).
Sexual characteristics are physical traits of an organism (typically of a sexually dimorphic organism) which are indicative of or resultant from biological sexual factors. These include both primary sex characteristics, such as gonads, and secondary sex characteristics.