No you can't.<quoted text>
Of course I can prove it to a rational person.
There is no consensus among scientists about the exact reasons that an individual develops a heterosexual, bisexual, gay or lesbian orientation. Although much research has examined the possible genetic, hormonal, developmental, social, and cultural influences on sexual orientation, no findings have emerged that permit scientists to conclude that sexual orientation is determined by any particular factor or factors. Many think that nature and nurture both play complex roles.
Although there is no mention of the research that influenced this new position statement, it is clear that efforts to prove that homosexuality is simply a biological fait accompli have failed, Byrd wrote.The activist researchers themselves have reluctantly reached that conclusion. There is no gay gene. There is no simple biological pathway to homosexuality.
Read more at http://www.wnd.com/2009/05/97940/#QtMFezs6U7X...