Genome sequencing is the way of determining the identity of DNA the order of As Cs Gs and Ts that make an organism s DNA. For your information a human s DNA is made up of 3 million such genetic letters! Till now genetic profiling is done on cancer patients to determine the DNA changes that led to cancer. However a team of scientists have worked on the same model to figure out if it can be used to predict diseases as well. Michael Snyder PhD professor and chairperson of genetics at Stanford and his colleagues have devised a procedure