No single ‘gay gene’ determines same-sex sexual behavior

It included more thanpeople, dwarfing previous research. Pillard, R. Another SNP is associated with male-pattern baldness — a trait influenced by levels of sex hormones, which suggests that these hormones are also linked to same-sex sexual behaviour. Over all, Dr.

No single ‘gay gene’ determines same-sex sexual behavior

Video: How CTE changes everything about football. Several scientists who are part of the L. Follow Us. And when the scientists tried to use genetic markers to predict how people in unrelated data sets reported their sexual behavior, it turned out to be too little genetic information to allow such prediction.

The researchers mainly focused on answers to one question: whether someone ever had sex with a same-sex partner, even once.

No single ‘gay gene’ determines same-sex sexual behavior

Environment, No single ‘gay gene’ determines same-sex sexual behavior and other factors may play a significant role, Neale said. Research from the s 2 showed that identical twins are more likely to share a sexual orientation than are fraternal twins or adopted siblings. For more information on how we use cookies on our websites, visit our Cookie Policy.

This gave them an overall sample size ofpeople, 26, of whom reported same-sex sexual behavior. It included more thanpeople, dwarfing previous research. For example, the research focused mostly on individuals of European ancestry.

  • A new study that analyzed the DNA of nearly half a million people has found that, while genetic differences play a significant role in sexual behavior, there is no single gene responsible. Instead, the results published Thursday in the journal Science hint at the complex blend of factors that influence human sexuality, including society and the environment.
  • The study, published in the journal Science, was carried out by an international team of researchers.
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In this respect, the researchers found, genetics had a stronger influence on same-sex behavior in men than in women. Sign me up to receive the daily Nature Briefing email. In the new study, a team led by Brendan Zietsch of the University of Queensland, Australia, mined several massive genome data banks, including that of 23andMe and the UK Biobank 23andMe did not fund the research.

No single ‘gay gene’ determines same-sex sexual behavior

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