Abstract This study aimed to provide a model of the relationship between determinants the and outputs the genetic character of the organization in Damietta Port Authority. These parameters were in organizational structure, organizational culture, organizational justice and leadership quality; while genetic character outputs consisted in organizational performance, organizational identity, organizational effectiveness and competitive advantage. The research community represented in Damietta port authority employees, and designed the questionnaire to collect data by number 1813. ]2[ This study was prepared in 2016, data were analyzed using SPSS.20 program, the researcher used the method of correlation, regression to demonstrate the effect of the relationship between the independent variable and the dependent variable. The results of the study concluded that there is a significant positive statistically relationship between the determinants and outputs the genetic character of the organization in Damietta Port Authority, The study also found the model for the relationship between the determinants and outputs the genetic character of the organization, and that the quality of leadership is the most influential on the genetic character of the organization of the output element, The study provided a set of recommendations that are directed to Damietta Port Authority study also presented a proposed ideas for further future research in the field of genetic character of the organization.