The study looked at the genes, epigenetics and microbiome of people around the world. It found that those who look alike share a higher number of genetic variants. The genetic variants make us more slim or fat or tall or short. And these 50,000 genes relate with features of the face.
The thing about doppelgangers is that despite looking almost identical, they aren’t biologically related. So, what makes them appear so similar? How do totally different people end up with the same face? And, can studying doppelgangers tell us anything about the age-old question of nature v nurture? Madeleine Finlay speaks to Dr Manel Esteller to find out. Help support our independent journalism at
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