Gender is the range of physical, biological, mental and behavioral characteristics pertaining to, and differentiating between, masculinity and femininity.[1][2][3] Depending on the context, the term may refer to biological sex (i.e. the state of being male, female or intersex), sex-based social structures (including gender roles and other social roles), or gender identity.[1][2][3][4] Sexologist John Money introduced the terminological distinction between biological sex and gender as a role in 1955. Before his work, it was uncommon to use the word gender to refer to anything but grammatical categories.[1][2] However, Money's meaning of the word did not become widespread until the 1970s, when feminist theory embraced the concept of a distinction between biological sex and the social construct of gender. Today, the distinction is strictly followed in some contexts, especially the social sciences[5][6] and documents written by the World Health Organization (WHO).[4] In many other contexts, however, even in some areas of social sciences, the meaning of gender has undergone a usage shift to include sex or even to replace the latter word.[1][2] Although this gradual change in the meaning of gender can be traced to the 1980s, a small acceleration of the process in the scientific literature was observed when, in 1993, the Food and Drug Administration started to use gender instead of sex.[7] Gender is now commonly used even to refer to the physiology of non-human animals, without any implication of social gender roles.[2] In the English literature, the trichotomy between biological sex, psychological gender, and social sex role first appeared in a feminist paper on transsexualism in 1978.[2][8] Some cultures have specific gender-related social roles that can be considered distinct from male and female, such as the hijra of India and Pakistan. The social sciences have a branch devoted to gender studies. Other sciences, such as sexology and neuroscience, are also interested in the subject. While the social sciences sometimes approach gender as a social construct, and gender studies particularly do, research in the natural sciences investigates whether biological differences in males and females influence the development of gender in humans; both inform debate about how far biological differences influence the formation of gender identity. |
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