Tw pairs which at least one tw is homosexual were soliced through announcements the gay prs and personal referrals om 1980 to the prent. An 18-page qutnnaire on the "sexualy of tws" was filled out by one or both tws. Thirty-eight pairs of monozygotic tws (34 male pairs …
Contents:
- YOUR GOOD HEALTH: WHY IS ONE ‘INTIL’ TW GAY, THE OTHER STRAIGHT?
- GAY MEN TW STUDY
- JOHNS HOPKS REARCH: NO EVINCE PEOPLE ARE BORN GAY OR TRANSGENR
- STUDY: DNA OF INTIL TWS CAN REVEAL WHO'S GAY
YOUR GOOD HEALTH: WHY IS ONE ‘INTIL’ TW GAY, THE OTHER STRAIGHT?
Homosexual orientatn tws: a report on 61 pairs and three triplet sets.
GAY MEN TW STUDY
Tw pairs which at least one tw is homosexual were soliced through announcements the gay prs and personal referrals om 1980 to the prent. 8% for homosexual orientatn.
4% for homosexual orientatn. Two sets ntaed a pair of monozygotic tws nrdant for sexual orientatn wh the third triplet dizygotic and disrdant for homosexual orientatn. A third triplet set was monozygotic wh all three nrdant for homosexual orientatn.
Homosexuals who are tws. Is homosexualy faial?
JOHNS HOPKS REARCH: NO EVINCE PEOPLE ARE BORN GAY OR TRANSGENR
Human homosexualy: a paradigmatic arena for sexually antagonistic selectn? Fecundy of paternal and maternal non-parental female relativ of homosexual and heterosexual men.
In fact, scientists recently intified two specific gen that appear to differ between gay and straight men [1]. For example, one may be straight while the other is gay. In s like this, some might argue that perhaps both tws are actually gay, but one jt hasn’t e out yet.
In a study where scientists looked at the sexual aroal patterns of intil tws wh different sexuali—specifilly, where one was gay and the other was straight—they found that gay tws monstrated more genal aroal rponse to same-sex imag, whereas straight tws monstrated more aroal rponse to oppose-sex imag [2].
STUDY: DNA OF INTIL TWS CAN REVEAL WHO'S GAY
In theory, this means two people uld rry “gay gen, ” but both of them wouldn’t necsarily be gay pendg on certa environmental factors. 012% of the populatn nsists of a gay or bisexual person who happens to have an intil tw [2].
BOSTON -- Is homosexualy, at least part, the product of blogil ? The fdgs, which parallel rults of an earlier study of gay mal, bolster the tentative but creasgly plsible theory that human sexual orientatn -- heterosexual as well as homosexual -- is fluenced to a signifint gree by blogy and is not exclively a matter of upbrgg or "liftyle choice.
" The study of lbian tws "is the largt ever of female sexual orientatn, and suggts that geic factors are as important termg lbianism as they are fluencg male homosexualy, " said psychologist J.