Scientists claim that homosexuality is not genetic — but it arises in…

A team of international researchers has completed a study that suggests we will probably never find a ‘gay gene.' Sexual orientation is not about genetics, say the researchers, it's about epigenetics. This is the process where DNA expression is influenced by any number of external factors in the environment. And in… » 12/11/12 8:00am 12/11/12 8:00am