The molecular techniques presented so far have proved to be versatile, with ever-increasing uses in science, medicine, industry and other human activities. We present here a few applications that seem interesting and important.
Originally, books were written by hand. The writing was done on silk in China, on palm leaves in India, on papyrus in Egypt. If anyone wanted to possess a copy of any book, he had to engage an expert to copy it out for him.
DNA finger printing or DNA profiling is generally used for the identification of criminals from bloodstains semen etc. and for establishing parentage in cases of dispute. The data from this approach are extremely reliable as compared to the conventional analysis of serum proteins and erythrocyte antigens and proteins.