There is no ‘gay gene.’ There is no ‘straight gene.’ Sexualy is jt plex, study nfirms | PBS NewsHour

science behind gay

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.

Contents:

WHAT SCIENCE KNOWS ABOUT WHY PEOPLE ARE GAY

Marchers walk down 5th Avenue durg the 2014 Gay Pri March on June 29, 2014 New York Cy. Recently, scientists announced that they found some gen that might be associated wh sexual orientatn and a blogil explanatn for the reason gay men tend to have olr the field of sexual orientatn rearch is far broar and more plited than two studi—and Lisa Diamond, a psychologist and sexual orientatn rearcher at the Universy of Utah, knows that better than most. In other words, geics rais the chanc of you beg gay, but don't fish the job.

THERE IS NO ‘GAY GENE.’ THERE IS NO ‘STRAIGHT GENE.’ SEXUALY IS JT PLEX, STUDY NFIRMS

People rry rabow flags durg the Gay Pri para on September 17, 2017 Belgra, Serbia.

Well, the other systematic bias that was troduced the rearch was to foc on exclively gay dividuals.

Bisexualy is actually more mon than exclive gay or lbian sexualy. I remember I gave a talk at a high school, and the parents asked, "At what age I will know for sure whether my kid is gay? If they don't turn out to be gay by 18, n I pretty much know, okay, they aren't gay?

WHY ARE PEOPLE GAY? GAY BY CHOICE OR IS BEG GAY GEIC?

I n't guarantee you that at age 18, if you child hasn't exprsed same-sex attractns that they won't the future—and ankly ma'am, I n't guarantee you that you are not gog to end up gay eher. 2% of women and men, rpectively, intify as gay. Dpe the numbers, many people still nsir homosexual behavr to be an anomalo choice.

However, blogists have documented homosexual behavr more than 450 speci, argug that same-sex behavr is not an unnatural choice, and may fact play a val role wh populatns.

The hunt for ‘gay gen’. The 2019 study is the latt a hunt for “gay gen” that began 1993, when Dean Hamer lked male homosexualy to a sectn of the X chromosome.

THE 'GAY GENE' IS A MYTH BUT BEG GAY IS 'NATURAL,' SAY SCIENTISTS

As the ease and affordabily of genome sequencg creased, addnal gene ndidat have emerged wh potential lks to homosexual behavr. So-lled genome-wi associatn studi intified a gene lled SLITRK6, which is active a bra regn lled the diencephalon that differs size between people who are homosexual or heterosexual. Wh multiple gene ndidat beg lked to homosexualy, seemed highly unlikely that a sgle “gay” gene exists.

In rats, manipulatn of hormon durg pregnancy produc offsprg that exhib homosexual behavr. Why do homosexual behavr exist? Several hypoth have been advanced to expla how homosexualy n be beneficial perpetuatg faial gen.

Gay uncl and nts, for example, are “helpers the nt” that help raise other fay members’ children to nurture the fay tree.

NEWS & TECHNOLOGYTHE BLOGY OF BEG GAY

Another ia suggts that homosexualy is a “tra-off tra. ” For example, certa gen women help crease their fertily, but if the gen are exprsed a male, they predispose him toward homosexualy.

While there is no sgle “gay gene, ” there is overwhelmg evince of a blogil basis for sexual orientatn that is programmed to the bra before birth based on a mix of geics and prenatal ndns, none of which the fet choos.

*BEAR-MAGAZINE.COM* SCIENCE BEHIND GAY

The blogy of beg gay - ScienceDirect.

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