Crossing species' range borders: interspecies gene exchange mediated by hybridogenesis.

@article{Schmeller2005CrossingSR,
  title={Crossing species' range borders: interspecies gene exchange mediated by hybridogenesis.},
  author={Dirk S. Schmeller and A. Seitz and Alain J. Crivelli and Michael Veith},
  journal={Proceedings. Biological sciences},
  year={2005},
  volume={272 1572},
  pages={1625-31}
}
The distribution of species is limited by their ability to adapt to local environments. For adaptation by selection, genetic variability is crucial. As founder effects reduce genetic variability, extension of species' range borders is usually slow due to the reduced probability of successful colonization. However, the range limit might be extended by incorporating locally adapted genes. In western Palaearctic waterfrogs, interspecies hybrids show hemiclonal gametogenesis, are fertile and… CONTINUE READING
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