Fingerprints & Impressions
Forensic scientists use this bodily fluid to extract DNA, often collected using a cheek swab.
What is saliva?
This laboratory technique copies and amplifies tiny amounts of DNA into millions of copies for testing
What is PCR (Polymerase Chain Reaction)?
Kept by the FBI, this acronym stands for the national database that stores DNA profiles from convicted offenders.
What is CODIS?
Unlike nuclear DNA, this type of DNA is inherited only from the mother and is found outside the cell's nucleus.
What is mitochondrial DNA?
This specific type of blood splatter pattern occurs when blood is thrown from a moving bloody weapon, like a bat.
What is cast-off?