Until relatively recently homosexuality was considered a mental illness or a biological disorder or worse. Today lesbian gay bisexual and transgender LGBT people have the evidence of scientific research and their authentic experiences of happy and fulfilling lives to support the pride of identity that is their right. This book traces the nature versus nurture debate over the origin of same-sex attraction and gender identity. The theories put forth over the yearsthat theres a gay gene that the way a child is raised can turn her gay or that being gay is somehow a choiceall came to be used in the service of political agendas often harming LGBT people. Examining the major genetic biological and psychological theories of the origins of homosexuality this book questions those traditional notions of gender gender identity and sexual orientation that are at the center of LGBT peoples sense of identity and their struggle for civil rights and a happy and fulfilling life.