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.
November 29, 2012
Kathleen Romito, MD - Family Medicine & Siobhan M. Dolan, MD, MPH - Reproductive Genetics
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