The first detailed maps of the places where DNA is likely to be reshuffled in the genomes of African Americans have been developed, creating a tool that scientists say will help find genes that cause disease. The knowledge will help researchers uncover the genetic underpinnings of illness in all people but particularly in African Americans, Harvard Medical School geneticist David Reich, the senior author of a study published online by the journal Nature, said. Most previous medical genetics studies have focused on people of European descent.
Jose Luis Villegas / MCT
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