Intersexed: babies born w/ ambiguous genitals b/c of a hormone imbalance in the womb or some other cause. Sex depends on whether you were born w/ distinct male or female genitals and a genetic program that released male or female hormones to stimulate the development of your reproductive system. Sociologists distinguish biological sex from sociological gender. Gender: sense of being male or female & your playing of masculine and feminine roles in ways defined as appropriate by your culture and society: also comprises feelings, attitudes & behaviours associated w/ being male or female. Gender identity: a person"s identification w/, or sense of belonging to, a particular sex biologically, psychologically, and socially. Gender role: set of behaviours associated w/ widely shared expectations about how males & females are supposed to act. Babies develop a full sense of gender identity at age 2 or 3. Social learning of gender begins very early in life.