Heterosexual

... in biology that could allow same-sex reproduction. Aharonian also wants to undermine the argument that marriage should remain an exclusively heterosexual institution because its main purpose is procreation. "I'm a troublemaker," he admits. In the US, where reproductive clinics are ...

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... construction of monogamy--if you like the same sex--you may want to stay together for life. But a pygmy chimp would have homosexual encounters and heterosexual encounters. Unless of course the study shows that certain Pygmy Chimps will ONLY have sexual encounters with multiple male partners and ...

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... as much as it is bred, if not more so. I wouldn't be surprised if no single factor was found responsible for homosexual (or, for that matter, heterosexual) tendencies. It might very well be a combination of both genetic and environmental causes. I was thinking, a good way to test if it's cultural/behavioral ...

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... to other species. If we were to investigate which individuals tend to be homosexual, and it turned out to be the ones least likely to get a heterosexual mate, then this hypothesis could hold up. Has anyone ever done research along those lines?

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... you tailor your list to suit this person specifically. For example, the point about same-sex couples is rather irrelevant if your friend is in a heterosexual relationship. Also take into account your friend's religious convictions (or lack thereof) to help him/her make an informed choice that ...

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