Evidence of the gay gene
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Taking part in the June 8 SN : Measles roars back, collapsars spin gold, a new kind of dementia, the Southern Ocean's secrets, Denisovans lived on acme of the magic, and more. Feature in a large examine of more than , men then women in the United States, Communal Kingdom and Sweden, researchers discovered four genetic variants to facilitate occur more time and again in people who indicated on questionnaires that they had had same-sex progenitive partners. The former two influence having it away partner choice throughout both men as well as women.
Collectively, the DNA differences explained only 8 headed for 12 percent of the heritability of having same-sex partners. Researchers examined DNA data from add than , participants in the U. Adult books dvds philadelphia pa.
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This article looks at key research into these hypothesized gay genes, made possible, in part, by the Human Genome Project.
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- Two gene variants have been found to be more common in gay men, adding to mounting evidence that sexual...
- The reasons behind why people are gay, straight or bisexual...
The evidence gene of gay
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That amounts to an evolutionary paradox: gay men have fewer children, so one would expect that the trait would disappear over time.
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- Cross-Cultural Evidence for the Genetics of Homosexuality - Scientific American
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- We May Have Just Identified Genetic Evidence of Male Sexual Orientation This gave rise to the idea of...
Assertion of the gay dna 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 a combination of genetic, hormonal, and social factors determines it. Biological theories for explaining the causes of sexual orientation are favored by scientists  and involve a complex interplay of genetic factors, the early uterine environment and brain structure. A number of twin studies have attempted to compare the relative importance of genetics and environment in the determination of sexual orientation. Self reported zygosity , sexual attraction, fantasy and behaviours were assessed by questionnaire and zygosity was serologically checked when in doubt. Other researchers support biological causes for both men and women's sexual orientation.
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