Is being gay genetic, and if so, do we all have a gay gene?
Now before some of you freak out, and I expect some will indeed, start by watching the video. All of this is backed by science.
Further readings and references:
–Can epigenetics explain homosexuality puzzle?
–The Biological Basis of Human Sexual Orientation: Is There a Rolefor Epigenetics? (PDF)
–Heterosexual Male Carriers Could Explain Persistence of Homosexuality in Men: Individual-Based Simulations of an X-Linked Inheritance Model (PDF)
–The role of chromatin and epigenetics in the polyphenisms of ant castes