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Updated: Jan 20, 2026

Polytene Chromosomes, Banding Patterns and Puffs
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The Dutch Y-chromosomal landscape.

Eveline Altena1, Risha Smeding1, Kristiaan J van der Gaag1,2

  • 1Department of Human Genetics, Leiden University Medical Center, Leiden, The Netherlands.

European Journal of Human Genetics : EJHG
|September 7, 2019
PubMed
Summary

This study reveals Y-chromosome substructure in the Dutch population, identifying distinct genetic patterns across geographic regions. These findings offer insights into population history and have forensic applications.

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Area of Science:

  • Population Genetics
  • Human Evolutionary Studies
  • Forensic Genetics

Background:

  • Limited Y-chromosomal data previously hindered detailed population substructure analysis in the Netherlands.
  • Existing genome-wide data suggested limited genetic-geographic substructure, while mitochondrial DNA data showed none.

Purpose of the Study:

  • To investigate Y-chromosomal genetic-geographic population substructure in the Netherlands using a substantial dataset.
  • To visualize haplogroup distribution patterns and explore potential differences in male and female population histories.

Main Methods:

  • Collected Y-chromosomal single nucleotide polymorphism (SNP) data from 2085 males across the Netherlands.
  • Supplemented data with existing information from northern Belgium.
  • Utilized prediction surface maps to visualize haplogroup distribution patterns.

Main Results:

  • Found significant Y-chromosomal genetic-geographic population substructure.
  • Identified several Y-haplogroups with directional clinal frequency distributions.
  • Visualized complex haplogroup distribution patterns using prediction surface maps.

Conclusions:

  • The study provides the first substantial Y-chromosome dataset revealing detailed genetic-geographic substructure in the Dutch population.
  • Results underscore the utility of a micro-geographic approach for understanding population history and for forensic/epidemiological applications.
  • Contrasting Y-chromosome and mitochondrial DNA findings suggest differing population histories for males and females in the Netherlands.