Are homosexual born that way

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Washington D. The study was published Aug. It examined data from several large genetic databanks in multiple countries, and surveyed nearly half a million people about their sexual partners and preferences.

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But new research two decades on supports this claim — and adds another candidate gene. We see it in the animal world all the time. There are probably many genes that affect human sexual orientation.

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Let friends in your social network know what you are reading about. Genes and hormones have an effect, but a growing chorus says the "born this way" narrative excludes people who experience sexuality as fluid rather than fixed. A link has been sent to your friend's email address.

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Few aspects of human biology are as complex—or politically fraught—as sexual orientation. Now, a new study claims to dispel the notion that a single gene or handful of genes make a person prone to same-sex behavior. The analysis, which examined the genomes of nearly half a million men and women, found that although genetics are certainly involved in who people choose to have sex with, there are no specific genetic predictors.

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The relationship between biology and sexual orientation is a subject of research. While scientists do not know what determines an individual's sexual orientationthey theorize that it is caused by a complex interplay of genetichormonaland environmental influences. Biological theories for explaining the causes of sexual orientation are favored by scientists.

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Verified by Psychology Today. Sexing the Body. Will our child grow up to be gay or straight?

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The influence comes not from one gene but many, each with a tiny effect. The authors, Andrea Ganna et al. Biobank and 23andMe.

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Sexuality and gender are topics of frequent and heated debate in the media. Conflicting positions abound, and differentiating ideological from scientifically based analysis is difficult. However, a recent comprehensive review of the literature on sexuality and gender published in the New Atlantis claims to focus solely on the scientific evidence.

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I would say we can look at the latest scientific literature, which does not strongly support that conclusion. Or we know that if men have higher levels of testosterone they may be more ambitious, they may be more athletic, they may also be more prone to promiscuity, maybe more prone to anger. So there are all sorts of ways we can understand our bodies.

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Homosexuality can refer to both attraction or sexual behavior between people of the same sex, or to a sexual orientation. When describing the latter, it refers to enduring sexual and romantic attraction towards those of the same sex, but not necessarily to sexual behavior. Most scientist today agree that sexual orientation is most likely the result of a complex interaction of environmental, cognitive and biological factors. Although homosexuality does not appear to be adaptive from an evolutionary standpoint, because homosexual sex does not produce children, there is evidence of its existence through human history.


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