The Institute of Medical Problems of the North of the Federal Research Center "Krasnoyarsk Science Center SB RAS" has long been carrying out a number of the most important and promising studies - scientists has been studying the genetic predisposition of people to certain diseases, such as asthma and diabetes. Having found a certain mutation in the human genome which can cause a particular disease, it is possible not only to identify it even before the disease appears, but to minimize or completely avoid its development. Scientists of the Krasnoyarsk Science Center told in the program "What and How" on the Yenisei TV channel how it is possible to identify and "bypass" genetic predispositions, what is a genetic passport and what is the role of an ethnic group in genetics: