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Nsikan Akpan Nsikan Akpan. In its stead, the report finds that human DNA cannot predict who is gay or heterosexual. Sexuality cannot be pinned down by biology, psychology or life experiences, this study and others show, because human sexual attraction is decided by all these factors.

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There's no such thing as a single "gay gene" that drives a person's sexual behavior, concludes the largest genetic study ever conducted on the issue. Instead, a person's attraction to those of the same sex is shaped by a complex mix of genetic and environmental influencessimilar to what's seen in most other human traitsresearchers report. That's not in anyone's interest.

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W hat are the Darwinian underpinnings of same-sex attraction? And why do same-sex relations persist, generation after generation, if these individuals are less prone to procreate? A massive genetic study aims to unravel these basic biological questions.

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You so obviously cannot be gaywas her implication, because this is good sex. If you happened to engage in activity that ran counter to your sexual identity, then you had two options: you were lying to yourself and everyone else, or you were just experimenting. The sexual categories were rigid. My sexual journey through college was anything but run-of-the-mill.

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CNN If you're a guy with an older brother, there's an increased chance you're gay. Clarification: A previous version of this story referred to higher concentrations of the protein instead of higher concentrations of antibodies to the proteins when describing the findings of the study. Chat with us in Facebook Messenger.

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Inresearchers discovered a stretch of DNA on the X chromosome they believed to be linked to male homosexuality. A new study published in Science, thought to be the most comprehensive on the topic, adds important information to that back-and-forth. The researchers examined genotyping data and self-reported sexual histories from almostmostly white people of both sexes who were either participating in genetic research projects, like the U.

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Neale and a team of researchers, who published their results in the journal Science on Thursday, scanned the genomes of roughly half a million people for differences that might form the genetic foundation for same-sex sexual behavior. Neale says their findings confirmed something that researchers had long believed: Sexual behavior is a trait like most human characteristics such as height, skin tone, intelligence and personality. This can include a person's social circle, where a person grew up, and things that may have happened in the womb.

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Herek's blog. Follow DrGregoryHerek. Open bibliography in a separate window Members of disliked minority groups are often stereotyped as representing a danger to the majority's most vulnerable members.

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How do genes influence our sexuality? The question has long been fraught with controversy. An ambitious new study — the largest ever to analyze the genetics of same-sex sexual behavior — found that genetics does play a role, responsible for perhaps a third of the influence on whether someone has same-sex sex.

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Humphreys' book is based on his Ph. The book is an ethnographic study of anonymous male homosexual sexual encounters in public toilets a practice that was known as "tea-rooming" in U. Humphreys was able to observe and describe various social cues body language, hand language, etc. Humphreys also concluded that such encounters were harmless, and posed no danger of harassment to straight men.

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