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Thursday 16 June 2022

100,000-year-old polar bear genome reveals ancient hybridization with brown bears

An analysis of ancient DNA from a 100,000-year-old polar bear has revealed that extensive hybridization between polar bears and brown bears occurred during the last warm interglacial period in the Pleistocene, leaving a surprising amount of polar bear ancestry in the genomes of all living brown bears.

from All Top News -- ScienceDaily https://ift.tt/xNyShpq

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