Doppelgangers may share genetic variants, says new study.
People with very similar facial characteristics likely share genetic variants, according to a paper published on August 23, 2022, in the journal Cell Reports. You may be related to your "doppelgänger."
The researchers wanted to better understand if there is a genetic basis for random human beings sharing facial features. The researchers used three different facial recognition algorithms to objectively measure of likeness for the pairs after obtaining their headshot pictures. The study compared the DNA of these 16 pairs to discover if their DNA was similar, finding that 9 of these 16 pairs "clustered together, based on 19,277 common single-nucleotide polymorphisms."
And the environment influences our microbiome, the mix of bacteria, fungi and viruses inside us, the outlet added. This suggests the pairs’ similar appearances are related more to their genetic makeup than compared to an environmental influence. The study noted overall that the research suggests "shared genetic variation not only relates to similar physical appearance, but may also influence common habits and behavior," per a press release.
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