Evidence for cryptic glacial refugia from North American mountain sheep mitochondrial DNA.

@article{Loehr2006EvidenceFC,
  title={Evidence for cryptic glacial refugia from North American mountain sheep mitochondrial DNA.},
  author={John Loehr and Kirsty Worley and Alessandro Grapputo and Jason P. Carey and Alasdair Veitch and David W. Coltman},
  journal={Journal of evolutionary biology},
  year={2006},
  volume={19 2},
  pages={
          419-30
        }
}
The separation of populations by ice sheets into large refugia can account for much of the genetic diversity found in present day populations. The evolutionary implications of small glacial refugia have not been as thoroughly explored. To examine refugial origins of North American mountain sheep Ovis spp., we analyzed a 604 bp portion of the mitochondrial DNA (mtDNA) control region from 223 O. dalli and O. canadensis. Major refugia were identified in eastern Beringia and southern North America… CONTINUE READING

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