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Wednesday, June 23, 2021

There is no gene responsible for homosexuality – Scientists

5 genes are associated with attraction to people of their gender, one of them is related to smell, the other to sex hormones, but together they accounted for less than 1% of homosexuality.

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Jiya Saini
Jiya Saini is a Journalist and Writer at Revyuh.com. She has been working with us since January 2018. After studying at Jamia Millia University, she is fascinated by smart lifestyle and smart living. She covers technology, games, sports and smart living, as well as good experience in press relations. She is also a freelance trainer for macOS and iOS, and In the past, she has worked with various online news magazines in India and Singapore. Email: jiya (at) revyuh (dot) com
Genetic analysis of the data of half a million people led to the conclusion that there is no single gene responsible for homosexuality, writes the BBC.
In a study whose results were published in the journal Science, data from the Biobank of Great Britain and the American biotechnology company 23andMe were studied.
Some genetic combinations associated with same-sex relationships were discovered, but genetic factors determined homosexual behavior by only a quarter.
Researchers scanned the genomes of 409,000 people registered in the British Biobank project, and 68,500 people registered in the 23andMe genetic company. Study participants were also asked about the gender of their partners.
As a result, researchers from Harvard University and the Massachusetts Institute of Technology came to the conclusion that from 8 to 25% of homosexual behavior in society is determined by genetic factors – but not just one gene.
It was found that 5 combinations of genes are associated with attraction to people of their gender, one of them is associated with the sense of smell, the other is associated with sex hormones. But together they accounted for less than 1% of homosexuality.
“There is no single homosexuality gene, so a genetic test of the likelihood of a person having same-sex relationships will not work,” says Ben Neal, a professor of analytic and translational genetics at the Massachusetts hospital who worked on the study.
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