The first comprehensive comparison of the genetic blueprints of humans and chimpanzees shows our closest living relatives share perfect identity with 96 percent of our DNA sequence, an international research consortium reported today. Led by scientists from the Ó³»´«Ã½ of the Massachusetts Institute of Technology and Harvard University, Cambridge, MA, and the Washington University School of Medicine in Saint Louis, MO, the Chimpanzee Sequencing and Analysis Consortium reported its findings in the Sept. 1 issue of the journal Nature.