I'd never heard of the word doppelganger until recently. It has several meanings, but the meaning I'm referring to is " a person who looks like an identical twin to you, is unrelated to you and you probably don't know, and likely shares much of your DNA"
Even facial recognition may not be able to tell doppelgangers apart. They seem to have genetic similarities, according to a new study. Many had similar weights, similar lifestyle factors, and similar behavioral traits like smoking and education levels. This may mean that genetic variation is related to physical appearance and potentially may influence some habits and behavior.
I always thought there were an infinite number of features that would make finding two look alikes unlikely, but apparently that is not true. There may be a random person in Brazil or Iceland or China that looks just like you, and shares much of your DNA, although you are not related. Here's where the internet is extremely useful, as it can scan millions of faces and find matches. The picture here is of doppelgangers. Who knows where your doppelganger may be.
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