Mitochondrial DNA haplogroup variation of contemporary mixed South Americans reveals prehistoric displacements linked to archaeologically-derived culture history

Francisco Rothhammer, Lars Fehren-Schmitz, Giannina Puddu, José Capriles

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Abstract

Objective: The purpose of this study was to examine South American population structure and prehistoric population displacements prior to the Spanish conquest, utilizing mitochondrial DNA haplogroups of extant mixed populations from Mexico, Costa Rica, Venezuela, Colombia, Ecuador, Peru, Bolivia, Brazil, Argentina, and Chile. Method: Relative frequencies of four pan-American haplogroups, obtained from published databases, were analyzed to evaluate patterns of variations, population structure and possible prehistoric migration pathways. Results: Patterns of mtDNA variation verify biogeographic drift processes and possible migratory pathways. Conclusions: We propose an updated model of South American colonization that is fully compatible with previous studies based on autosomal, mtDNA, and Y chromosome variation and with archaeologically-derived culture history.

Original languageEnglish (US)
Article numbere23029
JournalAmerican Journal of Human Biology
Volume29
Issue number6
DOIs
StatePublished - Nov 1 2017

All Science Journal Classification (ASJC) codes

  • Anatomy
  • Ecology, Evolution, Behavior and Systematics
  • Anthropology
  • Genetics

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