"Studies in the theory of heredity, Volume I" is the first part of the huge work of the famous German biologist August Weissmann. In this book, the author examines the fundamental aspects of evolution and heredity, paying attention to the role of genetic mechanisms in the process of passing traits from parents to offspring. Weisman highlights the key concepts and patterns underlying heredity, examining them from the perspective of modern scientific achievements of his time. This book became a significant contribution to the development of biological science and gave impetus to further research in the field of genetics and evolutionary biology."