Gay Genes In Identical Twins

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The relationship between biology and sexual orientation is a subject of research. A simple and singular determinant for sexual orientation has not been conclusively demonstrated; various studies point to different, even conflicting positions, but scientists hypothesize that a combination of genetic, hormonal, and social factors determine sexual orientation.



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Some conservatives argue that homosexuality is a personal choice or the result of environmental influences. Some gay rights activists insist that homosexuality is genetic, hoping that proof from that domain will lead to greater acceptance.



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Eight major studies of identical twins in Australia, the U. Whitehead worked for the New Zealand government as a scientific researcher for 24 years, then spent four years working for the United Nations and International Atomic Energy Agency.

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Please refresh the page and retry. H omosexuality may be triggered by environmental factors during childhood after scientists found that genetic changes which happen after birth can determine whether a man is straight or gay.



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Biology Massive study of gay twins pairs! It works both ways though, figuring it out fully could also potentially allow people to change sexuality at will.



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For men, new research suggests that clues to sexual orientation may lie not just in the genes, but in the spaces between the DNA, where molecular marks instruct genes when to turn on and off and how strongly to express themselves. Ngun reported that in studying the genetic material of 47 pairs of identical male twins, he has identified "epigenetic marks" in nine areas of the human genome that are strongly linked to male homosexuality.

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Why are some people gay?

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Twins Gay Identical Genes In

Gay Genes In Identical Twins

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