Same sex may refer to: * A phrase used in the discussion of

sex Sex is the biological trait that determines whether a sexually reproducing organism produces male or female gametes. During sexual reproduction, a male and a female gamete fuse to form a zygote, which develops into an offspring that inheri ...

gender Gender is the range of social, psychological, cultural, and behavioral aspects of being a man (or boy), woman (or girl), or third gender. Although gender often corresponds to sex, a transgender person may identify with a gender other tha ...

Gonochorism In biology, gonochorism is a sexual system where there are two Sex, sexes and each individual organism is either male or female. The term gonochorism is usually applied in animal species, the vast majority of which are gonochoric. Gonochorism con ...

, the state of having just one of at least two distinct sexes in any one individual organism *

Homosexuality Homosexuality is romantic attraction, sexual attraction, or Human sexual activity, sexual behavior between people of the same sex or gender. As a sexual orientation, homosexuality is "an enduring pattern of emotional, romantic, and/or sexu ...

, the romantic attraction, sexual attraction or sexual behavior between members of the same sex or gender *

Sex segregation Sex segregation, sex separation, sex partition, gender segregation, gender separation, or gender partition is the physical, legal, or cultural separation of people according to their gender or Sex, biological sex at any age. Sex segregation ca ...

, the physical, legal, and cultural separation of people according to their biological sex *

Same-sex education Single-sex education, also known as single-gender education, same-sex education, same-gender education, and gender-isolated education, is the practice of conducting education with male and female students attending separate classes, perhaps in se ...

, the practice of conducting education where male and female students attend separate classes *

Same-sex marriage Same-sex marriage, also known as gay marriage, is the marriage of two people of the same legal Legal sex and gender, sex. marriage between same-sex couples is legally performed and recognized in 38 countries, with a total population of 1.5 ...

, the marriage between two people of the same sex *

Same-sex relationship A same-sex relationship is a romantic or sexual relationship between people of the same sex. ''Same-sex marriage'' refers to the institutionalized recognition of such relationships in the form of a marriage; civil unions may exist in countries ...

, a relationship between two persons of the same sex, in diverse forms

See also