Year of Award

2023

Document Type

Thesis

Degree Type

Master of Arts (MA)

Degree Name

Anthropology

Other Degree Name/Area of Focus

Bioarchaeology

Department or School/College

Department of Anthropology

Committee Chair

Dr. Meradeth Snow

Commitee Members

Dr. Randall Skelton, Dr. James Tuttle

Keywords

ADNA, aDNA, Ancient Migrations, West Mexico, Mesoamerica, Archaeology, Bioanthropology, Bioarchaeology, Aztatlan, Aztatlán

Publisher

University of Montana

Subject Categories

Archaeological Anthropology | Biological and Physical Anthropology | Ethnic Studies | Indigenous Studies | Native American Studies | Other History of Art, Architecture, and Archaeology | Other Religion | Social and Cultural Anthropology

Abstract

Despite the mounting evidence that suggests The Aztatlán tradition in West Mexico was a major cosmopolitan region during the Postclassic period (AD 900-1521) with connections to the rest of what is now Mexico, archaeologists have characterized items in West Mexico as culturally distinct from the rest of Mesoamerica. Recently, endogenous, and exogenous material culture has been interpreted as movement and exchange of goods and ideas between subregions and surrounding areas, all of which mention physical contact and trade were involved between Aztatlán and elsewhere. This has included interacting with areas as far as the U.S. Southwest, as well as in Southeastern Mexico, through long-distance economic exchanges. Current macroregional population models for this geographic region have focused on these material exchanges. However, the question of geneflow between these regions that accompanied the trade routes has not been addressed. Genetic information from skeletal remains disinterred during excavations in the 1950s offers insights on determining population dynamics and regional connections. This thesis discusses the first use of mtDNA analyses and genetic biological sex estimations of the West Mexico skeletal remains to assess the factors that shape this genetic variation within the Aztatlán Core Region. This research has obtained all permissions necessary from the Mexican government and museum housing the human remains and highlights the benefits of international collaboration.

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