Source: Pandeysudhendu.medium.com (Why do some people who are not related by blood look alike?)
Source Link: https://pandeysudhendu.medium.com/why-do-some-people-who-are-not-related-by-blood-look-alike-7a097e46860d
In this article, we consider why some people born by different parents look identical to each other, and we see photos of people who have an uncanny resemblance to some south African Presidents.
We are all related. Genetically. We are all descended from the same gene pool.
Everyone on the planet is at least 50th cousin to everyone else on the planet. It is not difficult to be almost identical biologically.
Nelson Mandela Look alike
If you go back only 65 generations (during the Roman Empire), you'll need at least 1,000,000,000,000,000,000 people (your parents, their parents, their parents, and so on). This figure is greater than the total number of persons who have ever lived on Earth. In fact, it is larger than the total number of monkeys and primates combined. This is illogical. The only reasonable conclusion is that our forefathers were largely involved in incestuous relationships.
Jacob Zuma Look Alike
The fewer people there are the further back in time you go. This shows that there was a lot of incestuous behavior. In fact, there is a 1 in 5 possibility that your neighbor (or wife/date) and you are descended from the same family from less than 10 generations ago.
It's no surprise that so many people look same. In actuality, we mostly see celebrities. There are others as well.
There's a lot of them.
According to an intriguing study, everyone on the earth has a twin somewhere on the planet.
Cyril Ramaphosa Look-alike
There's a perfect replica of you out there, with your mother's eyes, your father's nose, and that pesky mole you've always intended to have removed. For millennia, the concept has captivated the popular imagination.
"There's only so much genetic diversity to go around," said Michael Sheehan, an assistant professor of neurobiology and behavior at Cornell University who studies appearance variations and genetics in species like paper wasps and house mice. "If you shuffle that deck of cards enough times, you'll have the same hand handed to you twice."
Sheehan, however, pointed out that the "deck of cards" is enormously large. Scientists have no clue how many genes have a role in determining the shape of human faces or the space between people's eyes.
Of course, family members seem considerably more alike than unrelated individuals, proving that human looks are certainly heritable. As a result, so-called identical twins, who came from the same fertilized egg and hence share all of their DNA, are frequently indistinguishable.
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