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Zusatztext " ... his casual style and thought-provoking examples are convincing, in a very basic way." Informationen zum Autor Jody Hey is Professor of Genetics at Rutgers University, where he uses both mathematical theory and DNA sequencing to study the process of evolution. In recent years he has conducted research on the evolutionary divergence of fruit fly species and on the evolutionary origins of modern humans. This book was written while Dr. Hey was visiting the University of Edinburgh, Scotland with the aid of a John Simon Guggenheim Fellowship. Klappentext This book is a thorough re-examination of the "species problem," the continuing disagreement among biologists about how best to identify species and what constitutes useful and genuine biological divisions of groups and organisms. This book contributes to our understanding of the scientific issues related to the species concept through an exploration of the reality of biological diversity and of the mental processes behind the ways we recognize species, and how we establish typological categories generally. The text develops a theory of evolutionary groups (groups of DNAs that compete and share in genetic drift and adaptation), and revisits the major issues of modern phylogeny, systematics, and evolutionary biology through this framework. Zusammenfassung This is a thorough re-examination of the "species problem" - the continuing disagreement among biologists about how best to identify species and what constitutes useful and genuine biological divisions of groups and organisms.
