A Finger on Sexuality
BBC news story about a study by Marc Breedlove that suggests that finger length may be an indication of sexual orientation.
Doubt cast on 'gay gene' (BBC News)
A study carried out in Canada casts doubt on claims that homosexuality could be determined by genes.
Homosexuality: Biological? Or Learned?
Internet resources to articles, studies, papers and abstracts, and a bibliography.
Preference v Orientation: The Search for a Gay Gene
A term paper from a student of biology.
Queer by Choice
"Promotes, condones, encourages, and recruits" individuals to explore their homosexuality.
QueerByChoice.com
Links and information about arguments that sexual preference can be chosen. Includes information about discussion list.