A tooth from a mammoth that roamed the Siberian steppe more than a million years ago has yielded the world's oldest DNA sequence.
원문출처 : https://www.cnn.com/2021/02/17/world/mammoth-oldest-dna-million-years-ago-scn/index.html
원문출처 : https://www.cnn.com/2021/02/17/world/mammoth-oldest-dna-million-years-ago-scn/index.html