Republication from Science daily

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Source:Max Planck Institute for the Science of Human HistorySummary:The vast cultural and linguistic diversity of Latin American countries is still far from being fully represented by genetic surveys. Western South America in particular holds a key role in the history of the continent due to the presence of three major ecogeographic domains (the Andes, the Amazonia, and the Pacific Coast), and for hosting the earliest and largest complex societies. A new study reveals signatures of history, ecology and cultural diversity in the genetic makeup of living rural populations.