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.
DNA, or deoxyribonucleic acid, is the building block for the human body; virtually every cell contains DNA. The DNA in peopleâs blood is the same as the DNA in their saliva, skin tissue, hair, and bone. Importantly, DNA does not change throughout a personâs life. The Value of DNA Evidence DNA is a powerful investigative tool because, with the