• DOI:10.1126/science.1216424
Corpus ID: 12671275

Nuclear Genomic Sequences Reveal that Polar Bears Are an Old and Distinct Bear Lineage

@article{Hailer2012NuclearGS,
  title={Nuclear Genomic Sequences Reveal that Polar Bears Are an Old and Distinct Bear Lineage},
  author={F. Hailer and Verena E Kutschera and B. Hallstr{\"o}m and D. Klassert and S. R. Fain and J. Leonard and U. Arnason and A. Janke},
  journal={Science},
  year={2012},
  volume={336},
  pages={344 - 347}
}

F. Hailer, Verena E Kutschera, +5 authors A. Janke

Published 2012

Biology, Medicine

Science

Ancient Bears Polar bears are well known for adapting to their cold Arctic climate. Some recent studies, based on mitochondrial DNA, concluded that they are a relatively young species and that these adaptations occurred quite quickly. Although mitochondrial DNA is regularly used to estimate evolutionary history, it has some well-known drawbacks, including sex-biased dispersal and hybridization. Thus, Hailer et al. (p. 344) looked at neutral genetic data that are distributed more widely across… CONTINUE READING

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