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New Mexican Study 2020 many regions tested
https://www.ncbi.nlm.nih.gov/pubmed/32329554
The association of Native American genetic ancestry and high-density lipoprotein cholesterol: A representative study of a highly admixed population
Methods: We used data from the Mexican National Health Survey 2000, analyzing 1647 subjects from whom stored DNA samples and HDL measurements were available. To estimate proportional genetic ancestry (Native American, African, and European), we used a 107 genetic ancestry informative marker panel with the software STRUCTURE.
Results: Participants had on average 53.6% Native American, 39% European, and 7.3% African genetic ancestry
Regional Results
As for genetic ancestry, we found an average of 53.6% Native American, 39% European, and 7.3% African ancestry, but with large regional variations. Native American ancestry predominated in eastern-central states (Tlaxcala,
Puebla, and Veracruz) and the south of the country (Chiapas, Oaxaca, and Guerrero), while European ancestry predominated in the north (Chihuahua, Sinaloa, and Sonora). African ancestry remained relatively invariant at low levels across the country (Figure 1)
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