The world-famous science fiction writer, the great popularizer of science, the author of about 500 fantastic, historical and popular science publications invites you to a fascinating journey through the expanses of tannins about the origin and evolution of man. The book will introduce you to the amazing world of human nature and the principles of classification into races and peoples. Why people are so different from each other and how to explain the difference in skin color eye and hair? What are studying taxonomy and genetics? What is the difference between a dominant gene and a recessive one?You will find answers to these and other questions, and learn about the methods and characteristics of the division of the animal world into different groups , look inside the chromosome and together with the Austrian monk Gregor Mendel will conduct interesting experiments on crossing plants