DNA – Deoxyribonucleic Acid
DNA is a hereditary element present in all living organisms. DNA comprises the genetic instruction to the production and function of an organism. These instructions are transmitted from one generation to the next. DNA is found in the nucleus of each body cell and the genetic instructions are contained in the form of codes consisting of 4 bases of nitrogen that are Adenine, Cytosine, Guanine and Thymine.