re: If homosexuals are “born that way”

quote:

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It just does(n')t make sense that a homosexual gene would persist.

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Did you read those links?

Once you understand that the SAME markers present entirely DIFFERENT (and evolutionarily-positive) results in females, it makes PERFECT sense that the genetic markers in question would "persist."

Take a similar hypo. Marker "MSFF" (Male Suicide - Female Fertility) exists on the X chromosome. In males, this marker causes suicide by age 10. In females, the SAME marker quintuples fertility.

OBVIOUSLY, no male is passing this marker to the next generation, because every male carrying that marker is dead before puberty. But every female with that marker would produce 5x as many children as other females. Eventually, this marker would "persist" to the point of causing the extinction of our species, because eventually no male would ever be born who did not commit prepubescent suicide.

Fortunately, the markers associated with male homosexuality do not ALWAYS give rise to homosexual behavior (doubtless due to environmental factors), and the increased fertility is nowhere NEAR quintuple. In fact, as I recall, the increase is roughly equal to the rate of homosexuality, resulting in a state of relative equilibrium.