January 12, 2022
Physical Traits

Tanning Genetic Testing

Could your DNA reveal your Tanning? Upload raw DNA data to learn more about yourself and genomics science.
Genomelink team

Tanning Ability Is Genetic

Is Tanning Genetic?

Everyone's out for that perfect tan, but for some, being out in the sun is synonymous to redness and pain for the coming days. Your tanning ability might not be determined by the brightness or the sun or the length of time you spend in it. Instead, it could boil down to tanning genetics. Some people have a perfect tanning gene, while others may never get the tan they want no matter how hard they try.

Whether your skin tans or burns after sun exposure depends on your level of melanin pigmentation (shown by how dark your skin is or can get). More melanin is good: your DNA is protected from the sun's harmful UV rays and, in return, you get the summer glow worthy of envy. Tanning ability is highly variable across the population (even among people of the same ethnicity), and is about 45% heritable.

One genome-wide association study with data from close to 180,000 Europeans found 20 gene loci associated with one's ability to tan, 6 of which confirm the findings in previous literature. Interestingly, investigators note that many of the gene loci were previously reported to influence the risk of non-melanoma skin cancer (which is the most common cancer in the UK and elsewhere as well). To learn more about the study, check out the following link: https://www.ncbi.nlm.nih.gov/pubmed/29739929

Are your genes aiding you in your quest for the perfect tan, or will you more likely feel the (sun)burn? Comprehensive DNA analysis of your DNA test results might help to shed some light on your tanning ability. Genetic DNA testing might be the only way to prove whether you can or can’t tan how you want to, and you can have those answers today by uploading DNA test results on Genomelink!

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