Two gene variants have been found to be more mon gay men. New Scientist looks at what this tells about the way blogy shap our sexualy
Contents:
- WHAT DO THE NEW ‘GAY GEN’ TELL ABOUT SEXUAL ORIENTATN?
- SEARCH FOR 'GAY GEN' COM UP SHORT IN LARGE NEW STUDY
- THERE’S NO EVINCE THAT A SGLE ‘GAY GENE’ EXISTS
- IS THERE A "GAY GENE"? MAJOR NEW STUDY SAYS NO
- WHY ARE PEOPLE GAY? GAY BY CHOICE OR IS BEG GAY GEIC?
- THERE’S NO ONE ‘GAY GENE,’ BUT GEICS ARE LKED TO SAME-SEX BEHAVR, NEW STUDY SAYS
- THE 'GAY GENE' IS A TOTAL MYTH, MASSIVE STUDY CONCLUS
- NEWS: THERE’S NO ONE ‘GAY GENE,’ BUT... (THE WASHGTON POST) - BEHD THE HEADL
WHAT DO THE NEW ‘GAY GEN’ TELL ABOUT SEXUAL ORIENTATN?
* there is a gay gene *
Do matter if there is a geic tenncy for beg gay?
Those who nsir beg gay a disadvantage life (which still is, certa societi), might regard gay people differently if they knew that beg gay was an hered tra, rather than a nsequence of life events, such as a particular type of upbrgg, or mixg wh certa sorts of iends or even a liberate cisn.
SEARCH FOR 'GAY GEN' COM UP SHORT IN LARGE NEW STUDY
Why are people gay? Are they gay by choice or is beg gay geic? Are they born gay? Learn about the and reasons for beg gay. * there is a gay gene *
The law also might take a different view those untri (aga, there are still many) which beg gay is a crimal offense. An early study claimed that if one pair of (male) intil tws (who have intil geic patterns) was gay, there was a 100 percent chance of the other one also beg gay. It was quickly shown that, fact, the real chance of two intil tws beg gay was around 40-50 percent, whereas was ls non-intil on, though still somewhat greater than the general populatn.
A dramatic claim was that there was a sgle geic variatn, the "gay gene, " that was found gay men. Alas, like so many other early reports of a "gay gene, " this one uld not be repeated. There was another, much smaller, group who said they were entirely gay (about 6 percent), and a stterg of even smaller numbers who claimed to be bisexual.
Firstly, they found very few gen whose variatns were rrelated wh beg gay, or even havg a sgle same-sex partner. Overall, geic variatns acunted for only around 1 percent of the likelihood of beg gay.
THERE’S NO EVINCE THAT A SGLE ‘GAY GENE’ EXISTS
But as stands, there’s no sign of a "gay gene.
And beg gay creased the chance of dg e, socially risky behavur and smokg. What term whether someone will be straight or gay, or somewhere between? The plex and variable psychologil state that we label as "gay" will have equally plex termants.
IS THERE A "GAY GENE"? MAJOR NEW STUDY SAYS NO
Didn’t we already know there were “gay gen”? We have known for s that sexual orientatn is partly herable men, thanks to studi of fai which some people are straight and some people are gay. In 1993, geic variatns a regn on the X chromosome men were lked to whether they were heterosexual or homosexual, and 1995, a regn on chromosome 8 was intified.
Both fdgs were nfirmed a study of gay and straight brothers 2014.
WHY ARE PEOPLE GAY? GAY BY CHOICE OR IS BEG GAY GEIC?
Alan Sanrs at North Shore Universy, Illois, and his team ppoted the gen by parg DNA om 1077 gay and 1231 straight men. Intertgly, this bra regn ntas the hypothalam, which was intified 1991 as differg size between gay and straight men.
Grave’s disease is more mon gay than straight men, and some rearch suggts that gay men tend to be thner – which might possibly be a rult of thyroid overdrive.
Are all men who have the “gay” variants of the gen gay? “There will be men who have the form of gene that creas the chance of beg gay, but they won’t be gay. What about women who are gay?
THERE’S NO ONE ‘GAY GENE,’ BUT GEICS ARE LKED TO SAME-SEX BEHAVR, NEW STUDY SAYS
Our blogil unrstandg of homosexualy women lags behd.
There have been studi suggtg that there is a geic element to homosexualy women, but more rearch has been done men, says Sanrs. Why should we re about the geics of beg gay? The latt fdgs open the prospect to intifyg the whole pathway of gen volved both homosexual and heterosexual orientatn, says Dean Hamer at the US Natnal Instut of Health, who led the study that ppoted chromosome X back 1993.
THE 'GAY GENE' IS A TOTAL MYTH, MASSIVE STUDY CONCLUS
Read more: Evolutn myths: Natural selectn nnot expla homosexualy. In an terview, she said the study is further evince that prev reports of a "gay gene" on the X chromosome are wrong.
And bee the rearchers didn't fd gene variants that rrelated wh a gradient of sexual behavr, she says, unrcuts Aled Ksey's s-old sle, which ranked people on a spectm of sexualy, om exclively heterosexual to exclively homosexual. the rol of gen homosexual behavr is fanng the bate over whether.
beg gay is due to gen or environment. “There is no ‘gay gene’ that term.
NEWS: THERE’S NO ONE ‘GAY GENE,’ BUT... (THE WASHGTON POST) - BEHD THE HEADL
geics acunt for about 32 percent of herabily of homosexual behavr.