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Even 34,000 years ago, our ancestors knew incest was a bad idea. Analysis of ancient human remains discovered in Russia has revealed that even among an extremely small society, inbreeding did not take place. This arrangement suggests these early humans mated outside their own clans, instead of risking the problems that arise from having sex with their relatives.

Researchers led by Martin Sikora, from the University of Copenhagen, Denmark, were looking at human remains found at the Sunghir burial site. This Upper Paleolithic archaeological site represents some of the earliest evidence of Homo sapiens in Europe. The four individual males found there lived between 34,600 and 33,600 years ago. Two of them were children and had been buried head to toe.

In their study, published in Science, the team analyzed the genomes of all four, looking at the genetic diversity between them. To the researchers surprise, they found they were unrelated to each other, despite being part of what would have been a very small group of maybe 25 people—humans had only just arrived in western Eurasia, so had not had long to build up a significant population.

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Sunghir burial site skeleton. CC

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Click link below for article:

https://uk.news.yahoo.com/russia-prehistoric-remains-show-humans-181002451.html

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