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Dermatoglyphic variation in Europe

R R Sokal1, R L Jantz, B A Thomson

  • 1Department of Ecology and Evolution, State University of New York, Stony Brook, New York 11794-5245, USA.

American Journal of Physical Anthropology
|May 1, 1996
PubMed
Summary
This summary is machine-generated.

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Geographic variation in European dermatoglyphics shows limited spatial patterns despite significant local differences. Most correlations are developmentally determined, with some support for southeast diffusion in specific traits.

Area of Science:

  • Anthropology
  • Human Genetics
  • Biogeography

Background:

  • Dermatoglyphics, the study of skin patterns, offers insights into human population variation.
  • Understanding geographic patterns in dermatoglyphic variables is crucial for evolutionary and migration studies.

Purpose of the Study:

  • To analyze the geographic variation of 236 dermatoglyphic variables across 74 European samples.
  • To identify spatial autocorrelation and heterogeneity in dermatoglyphic patterns within Europe.

Main Methods:

  • Principal Components Analysis (PCA) to reduce dimensionality of 236 dermatoglyphic variables.
  • Heterogeneity tests, surface interpolation, and correlogram analysis to assess spatial patterns.
  • Ordination of 74 European localities based on dermatoglyphic factor scores.

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Main Results:

  • Limited spatial autocorrelation was observed across most dermatoglyphic variables in Europe.
  • Significant heterogeneity among localities was detected, despite the lack of broad spatial patterns.
  • Developmental determination explains most variable correlations; limited evidence for demic diffusion from the southeast.

Conclusions:

  • European dermatoglyphic variation exhibits minimal large-scale spatial structure.
  • Local differences are significant, but likely driven by developmental factors rather than widespread geographic diffusion.
  • Specific populations (Lapps, Icelanders, Tatars) show outlier status in genetic and morphological comparisons.