The first step in DNA fingerprinting is to break open the sample cells and collect the DNA. Next, many copies of the DNA are made using polymerase chain reaction (PCR).
To get the DNA fingerprint:
For a criminal investigation, photos of the criminal and suspect DNA are compared. The results in this case show that the suspect is not the criminal.
|Primary Medical Reviewer||Sarah Marshall, MD - Family Medicine|
|Specialist Medical Reviewer||Siobhan M. Dolan, MD, MPH - Reproductive Genetics|
|Last Revised||March 29, 2011|