Evolutnary Origs of Homosexualy - The Gay & Lbian Review

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"Gay men and gay women are sential to humany."

Contents:

GAY RIGHTS

More and more people believe that gay sexualy is heredary - but how do this ia f wh natural selectn? * evolution gay *

Macklemore and Ryan Lewis's h song Same Love, which has bee an unofficial anthem of the pro-gay marriage mpaign the US, reflects how many gay people feel about their mocks those who "thk 's a cisn, and you n be cured wh some treatment and relign - man-ma rewirg of a predisposn". The evolutn of lbianism is relatively unrstudied - may work a siar way or be pletely gen that for homosexualy do other thgs tooThe allele - or group of gen - that sometim s for homosexual orientatn may at other tim have a strong reproductive benef. "We know that women tend to like more feme behavural featur and facial featur their men, and that might be associated wh thgs like good parentg skills or greater empathy, " says Qazi Rahman, -thor of Born Gay; The Psychoblogy of Sex Orientatn.

Gay people were 'helpers the nt'Image source, Jeante MankelowImage ptn, The fa'afafe of Samoa dislike beg lled "gay" or "homosexual"Some rearchers believe that to unrstand the evolutn of gay people, we need to look at how they f to the wir culture. Vasey speculat that part of the reason the fa'afafe are more attentive to their nephews and niec is their acceptance Samoan culture pared to gay men the Wt and Japan ("You n't help your k if they've rejected you").

GAY (ADJ.)

The gay rights movement the Uned Stat began the 1920s and saw huge progrs the 2000s, wh laws prohibg homosexual activy stck down and a Supreme Court lg legalizg same-sex marriage. * evolution gay *

That hypothis has led Vasey to speculate that the gay men who intify as men and have mascule tras - that is to say, most gay men the Wt - are scend om men who had a cross-genred people do have childrenImage source, Getty ImagImage ptn, Elton John and David Furnish have had two children wh a surrogate mother, although the inty of the blogil father is secretIn the US, around 37% of lbian, gay, bisexual and transsexual people have a child, about 60% of which are blogil. Acrdg to the Williams Instute, gay upl that have children have an average of figur may not be high enough to sta geic tras specific to this group, but the evolutnary blogist Jeremy Yor pots out a blog post that for much of morn history gay people haven't been livg openly gay liv. In theory, humans and other animals who are exclively attracted to others of the same sex should be unlikely to produce many blogil children, so any gen that predispose people to homosexualy would rarely be passed on to future generatns.

Yet same-sex attractn is wispread humans, and rearch suggts that is partly a study of data om hundreds of thoands of people, rearchers have now intified geic patterns that uld be associated wh homosexual behavur, and showed how the might also help people to fd different-sex mat, and reproduce. Most of the participants were born durg a time when homosexualy was eher illegal or culturally taboo their untri, so many people who were attracted to others of the same sex might never have actually acted on their attractn, and uld therefore have end up the wrong group the Monk, an elogist and evolutnary blogist at Yale Universy New Haven, Connecticut, thks that the veats are so important that the paper n’t draw any real nclns about geics and sexual orientatn.

Instead, he thks the rearchers have found geic markers associated wh openns to new experienc, which uld expla the overlap between people who have had a homosexual partner and heterosexual people who have had many partners. Here we discs a body of scientific evince that directly ntradicts this assertn and stead argu that homosexualy has emerged through evolutn as a normal variant that nfers survival benefs to the fay, particularly certa settgs.

TED TALK: HOW HOMOSEXUALY BENEFS EVOLUTN"GAY MEN AND GAY WOMEN ARE SENTIAL TO HUMANY."{FONT:NORMAL 800 1.2REM/1.2 "D BOLD",SANS-SERIF;TEXT-TRANSFORM:NORMAL;LOR:HER;DISPLAY:LE-BLOCK;PADDG-BOTTOM:6PX;POSN:RELATIVE;TEXT-TRANSFORM:UPPERSE;}{BACKGROUND:#89308A;BOTTOM:0;NTENT:'';DISPLAY:BLOCK;HEIGHT:2PX;LEFT:0;POSN:ABSOLUTE;RIGHT:0;-WEBK-TRANSN:ALL 0.2S EASE;TRANSN:ALL 0.2S EASE;WIDTH:100%;}{LEFT:51%;RIGHT:51%;WIDTH:0;}{FONT:NORMAL 800 1.2REM/1.2 "D BOLD",SANS-SERIF;TEXT-TRANSFORM:NORMAL;LOR:HER;DISPLAY:LE-BLOCK;PADDG-BOTTOM:6PX;POSN:RELATIVE;TEXT-TRANSFORM:UPPERSE;}{BACKGROUND:#89308A;BOTTOM:0;NTENT:'';DISPLAY:BLOCK;HEIGHT:2PX;LEFT:0;POSN:ABSOLUTE;RIGHT:0;-WEBK-TRANSN:ALL 0.2S EASE;TRANSN:ALL 0.2S EASE;WIDTH:100%;}{LEFT:51%;RIGHT:51%;WIDTH:0;}LIFEBY CHRISTOPHER RUDOLPHNOVEMBER 23, 2016/4:36 {HEIGHT:HER;DISPLAY:-WEBK-BOX;DISPLAY:-WEBK-FLEX;DISPLAY:-MS-FLEXBOX;DISPLAY:FLEX;POSN:RELATIVE;-WEBK-FLEX-WRAP:WRAP;-MS-FLEX-WRAP:WRAP;FLEX-WRAP:WRAP;-WEBK-ALIGN-EMS:CENTER;-WEBK-BOX-ALIGN:CENTER;-MS-FLEX-ALIGN:CENTER;ALIGN-EMS:CENTER;-WEBK-BOX-PACK:CENTER;-WEBK-JTIFY-NTENT:CENTER;-MS-FLEX-PACK:CENTER;JTIFY-NTENT:CENTER;-WEBK-TRANSFORM-ORIG:CENTER;-MS-TRANSFORM-ORIG:CENTER;TRANSFORM-ORIG:CENTER;} IMG{HEIGHT:100%;WIDTH:100%;OBJECT-F:VER;}{HEIGHT:574PX;WIDTH:1020PX;}YOUTUBEBY CHRISTOPHER RUDOLPHNOVEMBER 23, 2016 / 4:36 PM{"@NTEXT":","@TYPE":"NEWSARTICLE","HEADLE":"TED TALK: HOW HOMOSEXUALY BENEFS EVOLUTN","THUMBNAILURL":","DATEPUBLISHED":"2016-11-23T21:36:18.000+0000","DATEMODIFIED":"2016-11-23T21:36:18.000+0000","IMAGE":{"@NTEXT":","@TYPE":"IMAGEOBJECT","URL":","WIDTH":1920,"HEIGHT":1080},"URL":","THOR":{"@TYPE":"ORGANIZATN","NAME":"LOGO TV"},"MAENTYOFPAGE":{"@TYPE":"WEBPAGE","@ID":"},"PUBLISHER":{"@TYPE":"ORGANIZATN","@ID":","NAME":"LOGO TV","URL":","LOGO":{"@TYPE":"IMAGEOBJECT"}},"CREATOR":"CHRISTOPHER RUDOLPH","ARTICLESECTN":"LIFE"}{BOX-SIZG:BORR-BOX;PADDG:24PX 0;} A{LOR:#354A4E;-WEBK-TEXT-RATN:UNRLE;TEXT-RATN:UNRLE;} A:HOVER, A:FOC{-WEBK-TEXT-RATN:NONE;TEXT-RATN:NONE;} B, STRONG{FONT-WEIGHT:700;}DR. JAM O’KEEFE GAVE A RECENT TED TALK AT TEDXTALLAGHT DUBL ABOUT HOMOSEXUALY—AND HOW 'S NOT ABOUT SEX, BUT {BOX-SIZG:BORR-BOX;PADDG:24PX 0;} A{LOR:#354A4E;-WEBK-TEXT-RATN:UNRLE;TEXT-RATN:UNRLE;} A:HOVER, A:FOC{-WEBK-TEXT-RATN:NONE;TEXT-RATN:NONE;} B, STRONG{FONT-WEIGHT:700;}O'KEEFE'S SON JIMMY IS GAY, AND WHEN JIMMY ME OUT TO HIM AND HIS WIFE 12 YEARS AGO, O'KEEFE NFSED THAT HE WAS WORRIED FOR HIS SAFETY AND HIS SON'S HAPPS, BUT THE MORE HE THOUGHT ABOUT THE MORE HE REALIZED THAT HOMOSEXUALY WASN'T ABNORMAL, BUT A WAY FOR A SPECI TO {BOX-SIZG:BORR-BOX;PADDG:24PX 0;} A{LOR:#354A4E;-WEBK-TEXT-RATN:UNRLE;TEXT-RATN:UNRLE;} A:HOVER, A:FOC{-WEBK-TEXT-RATN:NONE;TEXT-RATN:NONE;} B, STRONG{FONT-WEIGHT:700;}“VIEWED THE LIGHT OF EVOLUTN, HOMOSEXUALY SEEMS TO BE A REAL SELF-FEATG NON-PRODUCTIVE STRATEGY," O'KEEFE TOLD THE DIENCE AT HIS TED TALK. "GAYS HAVE 80 PERCENT FEWER KIDS THAN HETEROSEXUALS. THIS IS A TRA THAT OUGHT TO GO EXTCT A FEW GENERATNS, YET DOWN THROUGH RERD HISTORY EVERY CULTURE AND MANY ANIMAL SPECI AS WELL, HOMOSEXUALY HAS BEEN A SMALL BUT DISTCT SUBGROUP. IF THIS WERE A GEIC ERROR, NATURAL SELECTN SHOULD HAVE LONG AGO CULLED THIS OM THE GENE POOL.”{BOX-SIZG:BORR-BOX;PADDG:24PX 0;} A{LOR:#354A4E;-WEBK-TEXT-RATN:UNRLE;TEXT-RATN:UNRLE;} A:HOVER, A:FOC{-WEBK-TEXT-RATN:NONE;TEXT-RATN:NONE;} B, STRONG{FONT-WEIGHT:700;}O'KEEFE SUGGTS CIRCUMSTANC LIKE THE MOTHER GIVG BIRTH TO A HIGH NUMBER OF MALE OFFSPRG OR SEVERE PRENATAL STRS N CREASE THE CHANC OF GIVG BIRTH TO A GAY {BOX-SIZG:BORR-BOX;PADDG:24PX 0;} A{LOR:#354A4E;-WEBK-TEXT-RATN:UNRLE;TEXT-RATN:UNRLE;} A:HOVER, A:FOC{-WEBK-TEXT-RATN:NONE;TEXT-RATN:NONE;} B, STRONG{FONT-WEIGHT:700;}HE ALSO BRGS UP THE THEORY OF EPIGEICS, GEN THAT "EXPRS THEMSELV DIFFERENT WAYS BASED ON EXTERNAL CIRCUMSTANC."{BOX-SIZG:BORR-BOX;PADDG:24PX 0;} A{LOR:#354A4E;-WEBK-TEXT-RATN:UNRLE;TEXT-RATN:UNRLE;} A:HOVER, A:FOC{-WEBK-TEXT-RATN:NONE;TEXT-RATN:NONE;} B, STRONG{FONT-WEIGHT:700;}“IF THE [HUMAN]FAY IS FLH WH PLENTY OF KIDS AND/OR ’S A STRSFUL PLACE TIME, NATURE OCSNALLY FLIPS THE EPIGEIC SWCH TO TURN ON THE GAY GEN. THIS ALTERS BRA VELOPMENT THAT CHANG SEXUAL ORIENTATN.”{BOX-SIZG:BORR-BOX;PADDG:24PX 0;} A{LOR:#354A4E;-WEBK-TEXT-RATN:UNRLE;TEXT-RATN:UNRLE;} A:HOVER, A:FOC{-WEBK-TEXT-RATN:NONE;TEXT-RATN:NONE;} B, STRONG{FONT-WEIGHT:700;}“YOU PROBABLY HAVE GAY GEN YOUR DNA,” HE TOLD THE DIENCE, “BUT UNLS THEY WERE ACTIVATED YOUR MOTHER’S WOMB, THEY REMAED ILED UP AND SILENT.”{BOX-SIZG:BORR-BOX;PADDG:24PX 0;} A{LOR:#354A4E;-WEBK-TEXT-RATN:UNRLE;TEXT-RATN:UNRLE;} A:HOVER, A:FOC{-WEBK-TEXT-RATN:NONE;TEXT-RATN:NONE;} B, STRONG{FONT-WEIGHT:700;}WATCH HIS FASCATG TALK {BOX-SIZG:BORR-BOX;DISPLAY:-WEBK-BOX;DISPLAY:-WEBK-FLEX;DISPLAY:-MS-FLEXBOX;DISPLAY:FLEX;-WEBK-BOX-PACK:CENTER;-WEBK-JTIFY-NTENT:CENTER;-MS-FLEX-PACK:CENTER;JTIFY-NTENT:CENTER;POSN:RELATIVE;PADDG-BOTTOM:56.49999999999999%;} .TWTER-TWEET-RENRED, {M-WIDTH:65%;WIDTH:TO !IMPORTANT;} {WIDTH:100%;} {MARG-LEFT:TO !IMPORTANT;MARG-RIGHT:TO !IMPORTANT;} IMG{MAX-WIDTH:100%;WIDTH:100%;} > IAME{BORR:NONE;MAX-WIDTH:100%;} > *{MAX-WIDTH:NONE !IMPORTANT;POSN:ABSOLUTE;HEIGHT:100% !IMPORTANT;WIDTH:100% !IMPORTANT;}{BOX-SIZG:BORR-BOX;PADDG:24PX 0;} A{LOR:#354A4E;-WEBK-TEXT-RATN:UNRLE;TEXT-RATN:UNRLE;} A:HOVER, A:FOC{-WEBK-TEXT-RATN:NONE;TEXT-RATN:NONE;} B, STRONG{FONT-WEIGHT:700;}H/T: UNIRN {BOX-SIZG:BORR-BOX;CLEAR:BOTH;}{BOX-SIZG:BORR-BOX;MARG:0 TO;WIDTH:90%;M-WIDTH:288PX;MAX-WIDTH:1440PX;M-HEIGHT:194PX;}LATT NEWS

GAY Meang: "full of joy, merry; light-hearted, reee;" also "wanton, lewd, lasciv" (late 12c. as a surname,… See orig and meang of gay. * evolution gay *

In the largt and most rigoro geic lkage study foced on this topic, Sanrs and lleagu sctized the DNA om 409 pairs of gay brothers, searchg for shared sgle nucleoti polymorphisms (SNPs)—substutns of a sgle letter the geic (Sanrs, 2015). Androphilia—strong sexual attractn to mal—has been proposed as a geilly termed tra that when hered by a woman creas the number of children she will bear, but when hered by a male will predispose to homosexualy.

Studi show that mothers of gay men are much more likely to have skewed X-activatn than mothers who had no gay sons, another strong ditn that male homosexualy is a partially herable ndn, and gen on the X-chromosome are likely to be volved termg sexual orientatn mal.

Compellg evince dit that epigeic mechanisms are fundamental to the genis of homosexualy, which helps expla both s partially herable nature and the -utero environmental effects that seem to predispose a male to same-sex orientatn.

THE EVOLUTNARY PARADOX OF HOMOSEXUALYBEG GAY NO LONGER HOLDS THE STIGMA ONCE DID, BUT EVOLUTN, WHY DO A NON-REPRODUCTIVE TRA PERSIST?TOM WHIPPLEPUBLISHED: MAY 8, 2018 AT 11:00 PMTHE EVOLUTNARY PARADOX OF HOMOSEXUALY

Although the creased odds may seem outsized, they are relative to a basele rate of homosexualy of about two percent for a first son; the probabily of havg a gay son reach fifty percent only after ten olr blogil brothers.

In a se-ntrol study, 100 homosexual or bisexual mal were pared to 100 heterosexual mal wh rpect to the level of strs their mothers’ liv durg pregnancy, as ascertaed by terviews wh the study participants and their parents. In another study g the empathizg quotient (EQ)—a sixty-em sle ed to asss empathy participants by measurg emotnal reactns—Mark Sergeant and his team reported that homosexual mal nsistently exhibed higher levels of empathy pared to heterosexual mal (Sergeant, 2004). More telligent children as pared to ls telligent children are subsequently more likely to self-intify as gay as adults, to exprs same-genr sexual attractn (Figure 3a), and to have had signifintly more same-genr sexual partners durg their lifetim (Figure 3b).

*BEAR-MAGAZINE.COM* EVOLUTION GAY

Evolutnary Origs of Homosexualy - The Gay & Lbian Review .

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