Blog 13

Crime scene experts investigate the scene of a crime for any DNA. When finding that DNA, it is sent to a lab where tests are ran. Two main types of testing DNA are to swab a person in the inside of the mouth, or fingerprint DNA. Thousands of cells die in a human's mouth daily, so when swabbing the inside of the cheeck many cells are then put on into the cotton swab. Fingerprint DNA is done by analyzing the certain lines and ridges in a persons fingerprint.