Analysis by Warren Throckmorton, Ph.D. & Durwood Ray, Ph.D
A study to be published in the March 2005 issue of the journal Human
Genetics, and available online now, actually undermines the commonly
held view that homosexual orientation is determined by genetic factors.

The study's lead author Brian Mustanski from University of Illinois at
Chicago said in a UIC news release that "There is no one 'gay' gene.
Sexual orientation is a complex trait, so it's not surprising that we
found several DNA regions involved in its expression."
However, a thorough examination of the actual report reveals no
statistically significant findings for any of these DNA regions.