Molecular diagnostics

Question

Importance of molecular diagnosis over conventional diagonsis.

Answer 1

Molecular diagnosis in preferred over conventional methods because it allows early detection of disease the two techniques of molecular diagnosis are :

(i) Polymerase Chain Reaction (PCR) : To detect HIV in suspected AIDS patients.

(ii) Enzyme Linked Immunosorbent Assay (ELISA) : To detect antigens (proteins, glycoproteins etc., ) of pathogens or antibodies synthesized against the pathogen.