Gender identity continues to be in the news. This study opposes the prevailing mantra that genes directly cause a person to become gay. However, it does say that the evidence shows that some genetic traits may increase the likelihood of a person identifying as gay. The study also affirms that child sexual abuse remains one of the biggest factors in people identifying as gay.
http://www.christianpost.com/news/no-scientific-evidence-that-people-are-born-gay-or-transgender-johns-hopkins-researchers-say-168263/