The incredible power of DNA technology as an identification tool had brought a tremendous change in crimnal justice . DNA data base is an information resource for the forensic DNA typing community with details on commonly used short tandem repeat (STR) DNA markers. This article discusses the essential steps in compilation of COmbined DNA Index System (CODIS) on validated polymerase chain amplified STRs and their use in crime detection.
Keywords: DNA fingerprinting; Forensic DNA database; Forensic DNA profiling; RFLP; STR; VNTR; micro-satellites; mini-satellites.