Why are pus cells found in stool? A: Pus cells are commonly found in healthy stool, and they help to ease the passage of stool, according to About Health. However, these pus cells are not visible to the human eye. If pus, or mucus, is visible in the stool, this can indicate the presence of a disease or condition. Continue Reading.
DNA evidence is analyzed using the polymerase chain reaction (PCR) method, which allows for very small samples to be tested and identified. Once the sample is tested, it may be cross-referenced with DNA profiles already in a database or with genetic data provided by a suspect.
Among the many new tools that science has provided for the analysis of forensic evidence is the powerful and controversial analysis of deoxyribonucleic acid, or DNA, the material that makes up the genetic code of most organisms.NA analysis, also called DNA typing or DNA profiling, examines DNA found in physical evidence such as blood, hair, and semen, and determines whether it can be matched to DNA taken from specific individuals.