title: Present controversies in the genetics of male homosexuality.
abstract: Homosexuality refers to exclusive or predominant sexual attractions for persons of the same sex with or without physical relationship. In 1993, researchers in America identified the region of the X chromosome related to sexual orientation in homosexual men. However, molecular research of homosexuality does present particular problems because of the intense stigmatization some societies accord to these individuals. This paper presents the evidence of a genetic contribution, evaluates the complexity of sexual behaviour, and discusses the implications and challenges ahead if indeed a "gay gene" exists. It is apparent that scientific discoveries do not resolve moral dilemmas. The author believes that it is through debates and discussions that some ethical code can be, and should be formulated to prevent possible abuses.
authors.affiliation: Department of Psychological, Medicine National University Hospital, Singapore.
authors.forename: L C
authors.initials: LC
authors.lastname: Lim
mesh_terms: D008040:Genetic Linkage; D005824:Genetics, Behavioral; D018451:Homosexuality, Male / Q000235:genetics*; D006801:Humans; D008297:Male; D014960:X Chromosome