Identical (monozygotic) twins have essentially the same set of genes. Identical twins are more similar than fraternal twins on a range of personality measures, indicating that characteristics are heritable. Personality and specific genes responsible for the ubiquitous heritability of personality traits has increasingly become a target for genetic research. The study was conducted in five cultural zones of Haryana state namely Khadar, Bagar, Nardak, Mewat and Ahirwal. A total number of district depending upon the availability of the twins were identified from five cultural zones of the state. A sample of 90 a pair of twins in the age group of 3 identified from different villages was assessed. Personality of twins was taken as dependent variable. | A study on various parameters of personality among monozygotic twins
