... reconstruct aspects of past human behavior.The recent application of molecular biology to human evolutionarystudies has greatly influenced current interpretations of human origins. Our genes contain ... prehistoric modern human population. This, the describers suggest, creates a problem for pre-vious molecular interpretations of modern human origins. For example,when examining living human mtDNA, ... changed.Unfortunately, the record of human evolution offers only a partial test ofthis. The human species is much more different than is the chimpanzee fromour common ancestor, and the human fossil record is...