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 …
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MEET THE GAY TWS WHO HAVE A PLAY ABOUT THEIR LIFE
Flickr photos, groups, and tags related to the "gaytws" Flickr tag." data-dynamic="te * gay twins *
In fact, scientists recently intified two specific gen that appear to differ between gay and straight men [1].
* gay twins *
For example, one may be straight while the other is gay.