This first of a two-volume set on the theoretical and empirical applications of quantitative genetics focuses on the basic biology and methods of analysis of quantitative characters. The authors endeavor to develop central theoretical concepts from first principles. They also outline basic principles of complex pedigree analysis. The extensive appendices include reviews of the statistical tools used in the book. Designed for use as a textbook or a basic reference. Annotation c. by Book News, Inc., Portland, Or.