re: One step closer to tying homosexuality to the human genome

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Also, a gay man, who has HIV has increased odds to transmit HIV to the Hetero woman,

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False, a gay man and a straight man both have equal odds of transmitting HIV via vaginal intercourse.

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A hetero woman with HIV has decreased odds to transmit HIV to a man.

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Correct, but so does a lesbian woman. Im not sure what you're point is, HIV doesn't somehow "like" gay people more.

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Thus, many of the Hetero women with HIV likely was obtained from a gay man who is Bisexual due to the huge HIV numbers in gay men.

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Most people with HIV are native Africans who don't use protection.