Sentences with phrase «bison bones and teeth»

To confirm this, they sequenced the mitochondrial and nuclear DNA from bison bones and teeth from 20 sites across Europe, the Urals, and the Caucasus dating to between 12,000 and 22,000 years old.

For more than a decade, researchers have been scratching their heads at strange results from genetic studies of late ice age bison bones and teeth that have hinted at an undiscovered extinct species.