What are molecular diagnostic techniques ?

Explanation

Molecular diagnostic techniques are used to detect pathogens from suspected such as :
(i) Polymerase Chain Reaction (PCR)
(ii) Recombinant DNA technology
(iii) Enzyme Linked Immuno Sorbent Assay (ELISA) . The advantage of these techniques is that they help in early detection and treatment of diseases, which is not possible by the conventional diagnostics .