Study of gay brothers may confirm X chromosome link to homosexuality, Science

Dean Hamer PhD — Study of Gay Brothers may Confirm X Chromosome

PDF) Male homosexuality: nature or culture?

I was born this way: New research confirms that a mix of prenatal factors and genetic differences could explain human sexual orientation: EMBO reports: Vol 23, No 6

No 'gay gene': Massive study homes in on genetic basis of human sexuality

Male homosexuality and maternal immune responsivity to the Y-linked protein NLGN4Y

References - Lesbian, Gay, Bisexual, Trans and Queer Psychology

Is Homosexuality in Your Genes?

Is Sexual Orientation Genetic? Yes and No, an Extensive Study Finds - U.S. News

The Problematic Hunt for a 'Gay Gene

Homosexuality Encyclopedia MDPI