A Population-Genetic Perspective on the Similarities and Differences among Worldwide Human Populations.

Recent studies have produced a variety of advances in the investigation of genetic similarities and differences among human populations. In this reprinted article, originally published in in 2011 (vol. 83, no. 6, pp. 659-684), I pose a series of questions about human population-genetic similarities and differences, and I then answer these questions by numerical computation with a single shared population-genetic data set. The collection of answers obtained provides an introductory perspective for understanding key results on the features of worldwide human genetic variation. A new foreword discusses the original article in light of the research that has followed.