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New species concept based on mitochondrial & nuclear DNA coadaptation


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#1 PhysOrg

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Posted 08 March 2017 - 01:24 AM

What is a species? Biologists—and ornithologists in particular—have been debating the best definition for a very long time. A new commentary published in The Auk: Ornithological Advances proposes a novel concept: that species can be defined based on the unique coadaptations between their two genomes, one in the nuclei of their cells and the other in their mitochondria.

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