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Ancient DNA reveals a new group of hunter-gatherers who lived near land bridge between the Americas

Researchers have discovered a previously unknown group of ancient hunter-gatherers who lived around 6,000 years ago in the highlands of what is now Bogotá, Colombia, situated close to the geographic junction connecting North and South America.
This discovery came through ancient DNA analysis that revealed a distinct lineage previously unknown in South America, with researchers noting uncertainty about their exact place in the human family tree.
Researchers found that this ancient group had little genetic connection to both early Native American populations from northern regions and to ancient or modern peoples of South America. Approximately 4,000 years later, this population vanished and was replaced by a genetically distinct community.
According to study author Andrea Casas-Vargas, the region serves as the entryway to South America, and until now, researchers had not anticipated discovering a distinct genetic lineage in the continent.
According to researcher Andre Luiz Campelo dos Santos, additional genetic studies conducted in the region will be crucial to determine whether this newly identified lineage completely disappeared or if traces of their descendants can still be found today.

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Previously Unknown South American Group Revealed by DNA Study - Archaeology Magazine

Remains of two hunter-gatherers excavated at the Checua site in Colombia's Altiplano BOGOTÁ, COLOMBIA—Scientists were recently baffled by DNA evidence that revealed the existence of a genetically unknown group of early South American settlers. Archaeologists are continually adapting their models for how human populations spread from Asia through North America to South America, and this new research is bound to alter those theories once again. Th…

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Ancient DNA reveals a new group of hunter-gatherers who lived near land bridge between the Americas

"Up to this point, we didn't believe there was any other lineage that would appear in South America," said archaeologist Andre Luiz Campelo dos Santos.

4 days ago

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