No apparent reduction of gene flow in a hybrid zone between the West and North European karyotypic groups of the common shrew, Sorex araneus.

@article{Andersson2004NoAR,
  title={No apparent reduction of gene flow in a hybrid zone between the West and North European karyotypic groups of the common shrew, Sorex araneus.},
  author={Anna-Carin Andersson and Y Narain and H{\aa}kan Tegelstr{\"o}m and Karl Fredga},
  journal={Molecular ecology},
  year={2004},
  volume={13 5},
  pages={1205-15}
}
The common shrew, Sorex araneus, exhibits an unusually high level of karyotypic variation. Populations with identical or similar karyotypes are defined as chromosome races, which are, in turn, grouped into larger evolutionary units, karyotypic groups. Using six microsatellite markers, we investigated the genetic structure of a hybrid zone between the Sidensjö and Abisko chromosome races, representatives of two distinct karyotypic groups believed to have been separated during the last glacial… CONTINUE READING

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