Increased divergence but reduced variation on the Z chromosome relative to autosomes in Ficedula flycatchers: differential introgression or the faster-Z effect?

@inproceedings{Hogner2012IncreasedDB,
  title={Increased divergence but reduced variation on the Z chromosome relative to autosomes in Ficedula flycatchers: differential introgression or the faster-Z effect?},
  author={Silje Hogner and Stein Are S{\ae}ther and Thomas Borge and Torbj\orn Bruvik and Arild Johnsen and Glenn-Peter S{\ae}tre},
  booktitle={Ecology and evolution},
  year={2012}
}
Recent multilocus studies of congeneric birds have shown a pattern of elevated interspecific divergence on the Z chromosome compared to the autosomes. In contrast, intraspecifically, birds exhibit less polymorphism on the Z chromosome relative to the autosomes. We show that the four black-and-white Ficedula flycatcher species show greater genetic divergence on the Z chromosome than on the autosomes, and that the ratios of intraspecific polymorphism at Z-linked versus autosomal markers are below… CONTINUE READING
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