DNA Sequencing Basics and its Applications

DNA (Deoxyribonucleic Acid) sequencing is to determine the order of four chemical building blocks called “bases” that makes up DNA molecule. DNA sequence is a genetic information that is carried out in specific DNA segment. This DNA sequence information can be used to determine which stretches of DNA that contain genes and which transmit supervisory instructions, turning genes on or off and most importantly, sequence data can highlight variations in a gene that may cause disease. In DNA sequence, double helix, the four chemical bases constantly bond with the same paradigm to form base pairs. For instance, adenine (A) always sets withthymine (T); cytosine (C) always sets with guanine (G). This paring is the basis for the mechanism by which DNA molecules imitate when cells divide. Human genomecontains about 3 billion base pair sets that have instructions for making and maintaining a human being