Scientists sequenced DNA from the teeth of mammoths discovered in Siberia in the 1970s.
![A reconstruction of the steppe mammoths that preceded the woolly mammoth, based on the genetic knowledge from the Adycha mammoth [Beth Zaiken/Centre for Palaeogenetics via AFP]](https://www.aljazeera.com/wp-content/uploads/2021/02/000_9387GV.jpg?resize=770%2C513) |
| A reconstruction of the steppe mammoths that preceded the woolly mammoth, based on the genetic knowledge from the Adycha mammoth [Beth Zaiken/Centre for Palaeogenetics via AFP] |
Teeth from mammoths buried in the Siberian permafrost for more than a million years have yielded the oldest DNA ever sequenced, according to a study published on Wednesday, shining a genetic spotlight into the deep past.
Researchers said the three specimens, one roughly 800,000 years old and two more than a million years old, provide important insights into the giant Ice Age mammals, including the ancient heritage of the woolly mammoth.
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