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100M-Year-Old DNA Regions Baffle Experts

Mice, humans share mysterious code immune to evolution

By Harry Kimball,  Newser Staff

Posted Oct 9, 2008 3:11 PM CDT

(Newser) – Certain regions of mammalian DNA with no discernible purpose have one perplexing characteristic in common: They have survived, without mutation, for as long as 100 million years, LiveScience reports. Scientists speculate that the areas have some deep purpose, but for now they know only that...   Read full story »

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