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Scientists Seek to Kill Genetic Test for Same-Sex Attraction

Direct-to-consumer “How Gay Are You?” app sold by GenePlaza has been criticized for being misleading and irresponsible. 

Written byDiana Kwon
| 4 min read
geneplaza how gay am i genetic gwas homosexual heterosexual same-sex sexual behavior

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Update (November 11): The app is no longer available on GenePlaza.

In August, a group of researchers published the results of a massive genome-wide association study on homosexual behavior. The take-home message of the paper, which was published in Science, was that while many genes influenced same-sex attraction, genetics alone could not predict one’s sexual behavior. Yet a month later, the Belgium-based startup GenePlaza launched an app that provides consumers with a same-sex attraction score based on an analysis of their DNA.

In the weeks since its launch, the app, which is named “How gay are you?” has drawn the ire of many scientists. An online petition for the removal of the test has garnered more than 1,400 signatures.

It’s true that the title [of the app] is misleading in the sense that it says something but then the disclaimer says another thing.

On Monday (October ...

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Meet the Author

  • Diana is a freelance science journalist who covers the life sciences, health, and academic life. She’s a regular contributor to The Scientist and her work has appeared in several other publications, including Scientific American, Knowable, and Quanta. Diana was a former intern at The Scientist and she holds a master’s degree in neuroscience from McGill University. She’s currently based in Berlin, Germany.

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