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

Register for free to listen to this article
Listen with Speechify
0:00
4:00
Share

ABOVE: © ISTOCK.COM, BORTONIA

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 ...

Interested in reading more?

Become a Member of

The Scientist Logo
Receive full access to more than 35 years of archives, as well as TS Digest, digital editions of The Scientist, feature stories, and much more!
Already a member? Login Here

Related Topics

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.

    View Full Profile
Share
Illustration of a developing fetus surrounded by a clear fluid with a subtle yellow tinge, representing amniotic fluid.
January 2026

What Is the Amniotic Fluid Composed of?

The liquid world of fetal development provides a rich source of nutrition and protection tailored to meet the needs of the growing fetus.

View this Issue
Human-Relevant In Vitro Models Enable Predictive Drug Discovery

Advancing Drug Discovery with Complex Human In Vitro Models

Stemcell Technologies
Redefining Immunology Through Advanced Technologies

Redefining Immunology Through Advanced Technologies

Ensuring Regulatory Compliance in AAV Manufacturing with Analytical Ultracentrifugation

Ensuring Regulatory Compliance in AAV Manufacturing with Analytical Ultracentrifugation

Beckman Coulter Logo
Skip the Wait for Protein Stability Data with Aunty

Skip the Wait for Protein Stability Data with Aunty

Unchained Labs

Products

Sino Biological Logo

Sino Biological's Launch of SwiftFluo® TR-FRET Kits Pioneers a New Era in High-Throughout Kinase Inhibitor Screening

SPT Labtech Logo

SPT Labtech enables automated Twist Bioscience NGS library preparation workflows on SPT's firefly platform

nuclera logo

Nuclera eProtein Discovery System installed at leading Universities in Taiwan

Brandtech Logo

BRANDTECH Scientific Introduces the Transferpette® pro Micropipette: A New Twist on Comfort and Control