The goal of this very paper was the analysis of students' entrepreneurial behaviors in the context of three factors: risky attitudes, the assessment of the risk of stating up business and genetic predispositions.Wider analysis of the relation between genes and students attitudes and behavior will be presented in part 2.The part one have presented analysis of relation between entrepreneurial attitudes and risk.Attitudes were examined thought questionnaires and risk by experiment.It means that they are willing to make risky decisions.