Ancient mitochondrial DNA provides high-resolution time scale of the peopling of the Americas

  title={Ancient mitochondrial DNA provides high-resolution time scale of the peopling of the Americas},
  author={Bastien Llamas and Lars Fehren-Schmitz and Guido Valverde and Julien Soubrier and Swapan Mallick and Nadin Rohland and Susanne Nordenfelt and Cristina E. Valdiosera and Stephen M Richards and Adam B. Rohrlach and M. Romero and Isabel Flores Espinoza and Elsa Tomasto Cagigao and Luc{\'i}a Watson Jim{\'e}nez and Krzysztof Makowski and Il{\'a}n Santiago Leboreiro Reyna and Josefina Mansilla Lory and Julio Alejandro Ballivi{\'a}n Torrez and M. A. Hernandez Rivera and Richard L. Burger and Maria Constanza Ceruti and Johan Reinhard and Randall S. Wells and Gustavo Politis and Calogero M. Santoro and Vivien Grace Standen and Colin Smith and David Reich and Simon Y. W. Ho and Alan Cooper and W. P. van den Haak},
  booktitle={Science Advances},
The exact timing, route, and process of the initial peopling of the Americas remains uncertain despite much research. Archaeological evidence indicates the presence of humans as far as southern Chile by 14.6 thousand years ago (ka), shortly after the Pleistocene ice sheets blocking access from eastern Beringia began to retreat. Genetic estimates of the timing and route of entry have been constrained by the lack of suitable calibration points and low genetic diversity of Native Americans. We… CONTINUE READING

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