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I understood what you said, but you lost me at the 'base sexual attraction.' Homosexuality doesn't in any way shape or form seem natural or 'right', biology wise. It doesn't make sense for people of the same sex to be attracted. I just can't see _base_ sexual attraction to be biological. I understood what you said, but you lost me at the 'base sexual attraction.' Homosexuality doesn't in any way shape or form seem natural or 'right', biology wise. It doesn't make sense for people of the same sex to be attracted. I just can't see _base_ sexual attraction to be biological.
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To add to lurkette:
Homosexuality is not a genetic "liability" in that it is not completely selected against. Those genes live on in close relatives who express a heterosexual orientation.
These are some reasons that have been cited as genetic reasons for the perpetuation of homosexuality:
*Having some "gay" genes may help limit male agressiveness, which is a major factor in infanticide.
*"Extra" people in a family with no offspring of their own help raise the orphans inevitably created in a dangerous premodern world.
*Same sex attractions can help bind tribal units together-many species use sexual contact to enforce hieracrchy, relationships, etc...across and amongst genders.
Simply put, despite the initial reasoning, there is no genetic arguement that homosexuality is not an inherited part of our species.