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28, 2005 - the genes a man gets from his mother and father may play an important role in determining whether he is gay or not, according to a new study likely to reignite the gay gene debate. The arrangement of a mothers genes could affect the sexual orientation of her son, according to a new study. The finding, detailed in the february issue of the journal human genetics, adds fuel.   the team noted that the gay man gene may not get passed down directly, but instead survive through the generations through future generations making their male inheritors gay. Researchers analyzed the personality and fecundity of 61 females who were either mothers or maternal aunts of homosexual men to 100 females who were mothers or aunts of. The relationship between biology and sexual orientation is a subject of research. While scientists do not know the exact cause of sexual orientation, they theorize that it is caused by a complex interplay of genetic, hormonal, and environmental influences. Hypotheses for the impact of the post-natal social environment on sexual orientation, however, are weak, especially for males.   is a gay gene passed from mother to son? The female relatives on the mothers side of the homosexual men tended to have more offspring than the female relatives on the fathers side.   two gene variants have been found to be more common in gay men. If there was, in fact, a gay gene, then all of the identical twins should have reported a homosexual orientation. And yet, in nearly half of the twins studied, one brother was not homosexual. In a technical-comment letter in science , neil risch and colleagues pointed out the biological brothers and adoptive brothers showed. Now chief of the gene structure and regulation section at the us national cancer institute, his study revealed a curious pattern gay men tended to have more gay uncles and gay male cousins on their mothers side of the family than on their fathers. The conversations about nature versus nurture, a gay gene, or where does homosexuality come from need to stop immediately. This is demoralizing, destructive, and leaves impressionable minds thinking negatively about themselves or their peers.

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