The 6,000-Year-Old People Found Near Bogotá — And The DNA Test That Revealed A Native American Lineage That Vanished From The Genetic Record
The transition happened sometime in that four-thousand-year window, but the specific timing and the rate of change are unknown from the current evidence.
This limitation is important for evaluating any claims about what happened to the Checua people.
The data supports the conclusion that by 2,000 years before present, the genetic ancestry of the Altiplano population had shifted dramatically — the Herrera-period individuals look genetically very different from the Checua group.
But the data does not support specific claims about events during the intervening period.
What could have caused such a shift?
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