BIOLOGICAL, PSYCHOLOGICAL AND SOCIAL FOUNDATION OF SEX ROLESGender has several definitions. It usually refers to a set of characteristics that are considered to distinguish between male and female, reflect one's biological sex, or reflect one's gender identity. Gender identity is the gender(s), or lack thereof,a person self identifies as; it is not necessarily based on biological sex, either real or perceived, and it is distinct from sexual orientation. Many anthropologists claim that males hold formal