Our attitudes are largely hereditary, from both parents. As such, people believe that it is impossible to change the way we behave. Genetics is the study of how genetic materials like variation, diseases, structure, colour, intelligence and habits are passed from parents to offspring. Without a doubt, of ,course it is true. Because every individual is a product of elements inherited from both parents. This essay will discuss the extent to which the statement is valid, and a precise conclusion shall be drawn .