Mysterious skeletons of 6,000 years old with unprecedented DNA rewrite human story

Excavations at the Archaeological Site of Checua, near Bogota, Colombia, brought to light the relics of hunter-gathers, whose DNA does not match any known native population of today’s region. On the contrary, their genetic identity reveals a distinct and now extinct genetic line, probably one of the first people who arrived in South America, a group that differentiated early and remained genetically isolated for thousands of years. Analyzing ancient DNA by 21 people who lived on the Bogota Plateau between 6,000 and 500 years ago, the researchers managed to reconstitute a rare genetic time line for almost six millennia. According to the Daily Mail, DNA samples, exported by bones and teeth, showed that the oldest people in Checua have brought a unique ancestral signature that has completely disappeared from the modern genetic tank. Their genetic line was not simply incorporated into others, completely disappeared. “This area is key to understanding the way America was inhabited,” he said […]
Source: News Beast

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