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Do nuclear DNA and dental nonmetric data produce similar reconstructions of regional population history? An example from modern coastal Kenya

Hubbard, AR and Guatelli-Steinberg, D and Irish, JD (2015) Do nuclear DNA and dental nonmetric data produce similar reconstructions of regional population history? An example from modern coastal Kenya. AMERICAN JOURNAL OF PHYSICAL ANTHROPOLOGY, 157 (2). ISSN 0002-9483

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Abstract

This study investigates whether variants in dental morphology and nuclear DNA provide similar patterns of intergroup affinity among regional populations using biological distance (biodistance) estimates. Many biodistance studies of archaeological populations use skeletal variants in lieu of ancient DNA, based on the widely accepted assumption of a strong correlation between phenetic- and genetic-based affinities. Within studies of dental morphology, this assumption has been well supported by research on a global scale but remains unconfirmed at a more geographically restricted scale. Paired genetic (42 microsatellite loci) and dental (nine crown morphology traits) data were collected from 295 individuals among four contemporary Kenyan populations, two of which are known ethnically as “Swahili” and two as “Taita;” all have welldocumented population histories. The results indicate that biodistances based on genetic data are correlated with those obtained from dental morphology. Specifically, both distance matrices indicate that the closest affinities are between population samples within each ethnic group. Both also identify greater divergence among samples from the different ethnic groups. However, for this particular study the genetic data may provide finer resolution at detecting overall among-population relationships.

Item Type: Article
Additional Information: This is the accepted version of the following article: Hubbard, A. R., Guatelli-Steinberg, D. and Irish, J. D. (2015), Do nuclear DNA and dental nonmetric data produce similar reconstructions of regional population history? An example from modern coastal Kenya. Am. J. Phys. Anthropol., which has been published in final form at http://dx.doi.org/10.1002/ajpa.22714
Uncontrolled Keywords: 0603 Evolutionary Biology, 1601 Anthropology, 2101 Archaeology
Subjects: C Auxiliary Sciences of History > CC Archaeology
G Geography. Anthropology. Recreation > GN Anthropology
Divisions: Natural Sciences and Psychology
Publisher: WILEY-BLACKWELL
Related URLs:
Date Deposited: 07 Dec 2015 09:12
Last Modified: 24 Feb 2016 00:50
DOI or Identification number: 10.1002/ajpa.22714
URI: http://researchonline.ljmu.ac.uk/id/eprint/1728

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