Authoritative yet accessible, Human Biological Variation, Second Edition, opens with an engaging introduction to basic genetics and the evolutionary forces that set the stage for understanding human diversity. It goes on to offer a clear and detailed discussion of molecular genetics, including its uses and its relationship to anthropological and evolutionary models. The text features up-to-date discussions of classic genetic markers (blood groups, enzymes, and proteins) along with extensive background on DNA analysis and coverage of satellite DNA, single nucleotide polymorphisms...

The rise of the multi-billion dollar ancestry testing industry points to one immutable truth about us as human beings: we want to know where we come from and who our ancestors were. John H. Relethford and Deborah A. Bolnick explore this topic and many more in this second edition of Reflections of Our Past.

Where did modern humans come from and how important are the biological differences among us? Are we descended from Neandertals? How should we understand the connections between genetic ancestry, race, and identity? Were Native Americans the first settlers of the Americas?...