Colonialism, ethnogenesis, and biogeographic ancestry in the US Southwest.
Hispanic
admixture
biogeographic ancestry
ethnicity
Journal
American journal of physical anthropology
ISSN: 1096-8644
Titre abrégé: Am J Phys Anthropol
Pays: United States
ID NLM: 0400654
Informations de publication
Date de publication:
12 2021
12 2021
Historique:
revised:
08
07
2021
received:
22
12
2020
accepted:
14
07
2021
pubmed:
3
8
2021
medline:
26
10
2021
entrez:
2
8
2021
Statut:
ppublish
Résumé
Differences between self-perceived biogeographic ancestry and estimates derived from DNA are potentially informative about the formation of ethnic identities in different sociohistorical contexts. Here, we compared self-estimates and DNA-estimates in New Mexico, where notions of shared ancestry and ethnic identity have been shaped by centuries of migration and admixture. We asked 507 New Mexicans of Spanish-speaking descent (NMS) to list their ethnic identity and to estimate their percentages of European and Native American ancestry. We then compared self-estimates to estimates derived from 291,917 single nucleotide polymorphisms (SNPs), and we examined how differences between the estimates varied by ethnic identity. Most NMS (94%) predicted that they had non-zero percentages of European and Native American ancestry. Self-estimates and SNP-estimates were positively correlated (r While NMS accurately predicted that they had European and Native American ancestry, they predicted ancestry percentages with only moderate accuracy. Differences between self-estimated and SNP-estimated ancestry were associated with ethnic identities that were shaped by migration to the region over the past 400 years. We connect ethnic identities and patterns of ancestry estimation to resistance to colonial hegemony and discuss the implications of our results for the construction of ethnic identities, now and in the past.
Types de publication
Journal Article
Research Support, U.S. Gov't, Non-P.H.S.
Langues
eng
Sous-ensembles de citation
IM
Pagination
559-571Informations de copyright
© 2021 Wiley Periodicals LLC.
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