Explanation:

exp: The technique is also being used to detect bacteria and other organisms that may pollute air, water, soil and food. In addition the method is important to the study of the evolution of different population groups and their migratory patterns as well as determining pedigree for seed or livestock.It is also hoped that in the future the information from the human DNA sequence will provide a means to work out a person's predisposition to certain diseases, such as heart disease, cancer and type II diabetes, which could pave the way to better preventative care.
It is also being used for the design of drugs to target specific genes that cause disease. Another offshoot of DNA sequencing is genetic testing for paternity and other family relationships. It is also used to identify crime suspects and victims involved in a catastrophe.