Cited by 220Race, Genetics, and SocietyForensic and Genetic Researchmelanin and skin pigmentation

Implications of correlations between skin color and genetic ancestry for biomedical research

Parra, E J, Kittles, R A, Shriver, M D·2004·Nature Genetics

Abstract

Skin pigmentation is a central element of most discussions on 'race' and genetics. Research on the genetic basis of population variation in this phenotype, which is important in mediating both social experiences and environmental exposures, is sparse. We studied the relationship between pigmentation and ancestry in five populations of mixed ancestry with a wide range of pigmentation and ancestral proportions (African Americans from Washington, DC; African Caribbeans living in England; Puerto Ricans from New York; Mexicans from Guerrero; and Hispanics from San Luis Valley). The strength of the relationship between skin color and ancestry was quite variable, with the correlations ranging in intensity from moderately strong (Puerto Rico, rho = 0.633) to weak (Mexico, rho = 0.212). These results demonstrate the utility of ancestry-informative genetic markers and admixture methods and emphasize the need to be cautious when using pigmentation as a proxy of ancestry or when extrapolating the results from one admixed population to another.

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Crossref · 10.1038/ng1440

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  • Global ancestry was included as a covariate to correct for ancestry stratification and any environmental variables that might covary with ancestry.

    “Global ancestry, calculated from the mean of local ancestry across all SNPs, was included as a covariate to correct for ancestry stratification and any environmental variables that might covary with ancestry [16,72].”

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Authors
Parra, E. J., Kittles, R. A., & Shriver, M. D.
Affiliations
  • University of Toronto (CA)
  • The Ohio State University (US)
  • Pennsylvania State University (US)
Corresponding author
Shriver, M D
Venue
Nature Genetics
Published
2004-10-26
Volume
36
Issue
S11
Pages
S54-S60
ISSN
  • 1061-4036 (ISSN-L)
  • 1546-1718
OpenAlex
W2002871809
Cited by
220
References
36
Citations by year
2026: 2 · 2025: 5 · 2024: 2 · 2023: 7 · 2022: 8 · 2021: 8 · 2020: 8 · 2019: 5 · 2018: 10 · 2017: 7 · 2016: 14 · 2015: 9 · 2014: 9 · 2013: 20 · 2012: 14
FWCI
7.83
Type
journal article
Language
en
Open access
closed
Locations
  • Nature Genetics (publishedVersion)
  • PubMed (publishedVersion)
  • DigitalGeorgetown (Georgetown University Library) (submittedVersion)
Funders
  • U.S. Department of Defense
  • National Institutes of Health
  • Natural Sciences and Engineering Research Council of Canada
  • National Institute of Diabetes and Digestive and Kidney Diseases
  • National Center for Research Resources
Topics
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Genetics › Race, Genetics, and Society
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Genetics › Forensic and Genetic Research
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Cell Biology › melanin and skin pigmentation
Keywords
skin pigmentation, genetic ancestry, admixture, ancestry informative markers, race and genetics, admixed populations, African Americans, African Caribbeans, Puerto Ricans, Mexicans, Hispanic Americans, population variation
MeSH terms
Humans, Phenotype, Skin Pigmentation, Biomedical Research

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