Hamer states that sexual orientation, male homosexuality is genetically influenced. This is passed down through their mothers to the hormone of their offspring. Sexual identity is wired into the genes, which discounts the concept that homosexuality and transgender sexuality are a choice. Since sexual differentiation occurs within the womb, as a result of hormonal influences, it has been hypothesized that homosexuality.
Nature vs. Nurture
Nature vs. Nurture: The Biology of Sexuality | BU Today | Boston University
Homosexuality was considered a mental illness when Richard Pillard was in medical school. It was the s and the School of Medicine professor of psychiatry was at the University of Rochester. At the time, the American Psychological Association still listed homosexuality as a disorder and psychologists and psychiatrists were trained on ways to treat it. The first psychological test undertaken to determine whether there was a biological explanation for homosexuality was in With a grant from the National Institute of Mental Health , Karen Hooker studied the relationship between homosexuality and psychological development and illness. Hooker studied both homosexuals and heterosexuals—matched for age, intelligence, and education level. Hooker found no major differences in the answers given by the two groups.
Few aspects of human biology are as complex—or politically fraught—as sexual orientation. Now, a new study claims to dispel the notion that a single gene or handful of genes make a person prone to same-sex behavior. The analysis, which examined the genomes of nearly half a million men and women, found that although genetics are certainly involved in who people choose to have sex with, there are no specific genetic predictors. Yet some researchers question whether the analysis, which looked at genes associated with sexual activity rather than attraction, can draw any real conclusions about sexual orientation. The handful of genetic studies conducted in the past few decades have looked at only a few hundred individuals at most—and almost exclusively men.
And it helps clarify where the priorities of LGBTQ people should be in fighting for civil rights in the political and legal arenas. Such fears are understandable. And while it does conclude that genetics play a role in same-sex attraction, it also concludes that environmental and social factors play a large role as well. Some are indeed already bellowing about it. While religious extremists are all too happy to ignore science when it counters their beliefs climate change being a good example they are happy to cherry-pick data in harmful ways.