Genetics is the study of heredity and heredity is a biological process where a gene from a parent passes into their children or offspring. Every off spring inherits genes from both of their biological parents and these genes in turn express specific traits of diseases which are hereditary from parents to offspring’s. A genetic syndrome is a genetic problem caused by one or more abnormalities in the genome; especially the condition arises from birth. Sometimes the genetic disorders are quite rare and affect one person in every thousands or millions. Most of the genes are the building blocks of heredity. They are mainly passed from parent to offspring’s. They are the carriers of DNA and proteins. Proteins do most of the work in cells. The main function of the proteins they move molecules from one cell to another.