New Approach Precisely Tracks Evolution's Footprints in the Human Genome

Fossils may provide tantalizing clues to human history but they also lack some vital information, such as revealing which pieces of human DNA have been favored by evolution because they confer beneficial traits -- resistance to infection or the ability to digest milk, for example. Now, researchers describe a method for pinpointing these preferred regions that offers greater precision and resolution than ever before, and the possibility of deeply understanding both our genetic past and present.

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