Forensic DNA Analysis

Forensic DNA analysis is one of the most powerful tools in modern forensic science, enabling the identification of individuals with an extremely high degree of certainty from biological evidence such as blood, semen, saliva, hair roots and bone.

DNA profiling examines highly variable regions of the genome known as Short Tandem Repeats (STRs). Because each person's DNA profile (except identical twins) is unique, it can conclusively link or exclude a suspect, identify human remains and resolve questions of parentage.

DNA Profiling (STR Analysis)

The process involves extraction of DNA from the sample, amplification of specific STR loci by the Polymerase Chain Reaction (PCR), separation by capillary electrophoresis and generation of a DNA profile that is compared with reference samples or a database.

Applications of DNA Evidence

DNA analysis is used in criminal identification, disaster victim identification, paternity and maternity testing, immigration disputes and the identification of missing persons and unidentified bodies.