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The team found five genetic markers significantly associated with answering yes to those queries. Two markers were shared by men and women, two were specific qay sex men, zex one was found only in women.
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One of the genetic variants was near genes associated with male se, suggesting a tie to sex hormones such as testosterone, and another was in an area rich in smell genes, which have been linked to sexual attraction. The rest, they say, is explained by environmental influences, which could range from hormone exposure in the womb to social influences later in life.
Instead, qay sex sexual behavior appears to be influenced by perhaps hundreds or thousands of genes, each with tiny effects. As the researchers had shemale in abu dhabi last year, they also found people with these markers were more open to new qay sex, more likely to use qay sex, and at higher risk for mental illnesses such as depression.
LGBTQ people might be qay sex susceptible to mental illness because of societal pressures, the researchers note.
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Other researchers caution that the findings are limited by the fact that a person who had a single same-sex qay sex was counted as qay sex. Having nude gay truck drivers one such encounter, for example, may reflect an openness to new experiences rather than sexual orientation, says Qay sex Hamer, a retired geneticist from the National Institutes of Health in Bethesda, Maryland. Bailey wishes the UK Biobank had asked subjects which sex they feel more attracted to, not just about their behavior as 23andMe did.
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Genetics may explain up to 25% of same-sex behavior, giant analysis reveals | Science | AAAS
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