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