INTERESTING: Is this the “gay gene” that everyone was seeking?uote

 

http://www.usnews.com/news/articles/2012/12/11/scientists-may-have-finally-unlocked-puzzle-of-why-people-are-gay

Scientists May Have Finally Unlocked Puzzle of Why People Are Gay

Lesbians get it from fathers, gay men from mothers?

By JASON KOEBLER

December 11, 2012

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Long thought to have some sort of hereditary link, a group of scientists suggested Tuesday that homosexuality is linked to epi-marks — extra layers of information that control how certain genes are expressed. These epi-marks are usually, but not always, “erased” between generations. In homosexuals, these epi-marks aren’t erased — they’re passed from father-to-daughter or mother-to-son, explains William Rice, an evolutionary biologist at the University of California Santa Barbara and lead author of the study.

“There is compelling evidence that epi-marks contribute to both the similarity and dissimilarity of family members, and can therefore feasibly contribute to the observed familial inheritance of homosexuality and its low concordance between [identical] twins,” Rice notes.

Rice and his team created a mathematical model that explains why homosexuality is passed through epi-marks, not genetics. Evolutionarily speaking, if homosexuality was solely a genetic trait, scientists would expect the trait to eventually disappear because homosexuals wouldn’t be expected to reproduce. But because these epi-marks provide an evolutionary advantage for the parents of homosexuals: They protect fathers of homosexuals from underexposure to testosterone and mothers of homosexuals from overexposure to testosterone while they are in gestation.

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Is this the big breakthrough that allows the human race to move forward?

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One Response to INTERESTING: Is this the “gay gene” that everyone was seeking?uote

  1. frenchync says:

    Nah…it’s just another attempt by man to avoid the absolute truth of the Bible. Blame someone other than me for my sins.

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