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![Adaptive Variation New software developed at Brown found a mutation that is closely linked to a protein-altering mutation that is virtually absent in populations around the world, but has a frequency of 27 percent in African hunter-gatherer genome data. Courtesy Ramachandran lab](https://medicine.at.brown.edu/wp-content/uploads/2018/02/genome-351x185.jpg)
Adaptive Variation
A new machine learning technique helps detect beneficial mutations in population genetic datasets.