Wednesday 24 March 2010

Polar bear genetics

Mitochondrial DNA  extrac from a fossil jawbone found in the svalbard archipelago,compared to modern polar and brown bear mtdna genomes reveal that polar bears are more closely related to brown bears that live on the admiralty,baranof and chichagof islands of the alexander archipelago in alaska.

Genetic divergence possibly happened 131-177,000 years ago.

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