Biology in the Laboratory

DNA in the Lab

What is CODIS?

CODIS is the FBI Laboratory’s Combined DNA Index System, which allows federal, state, and local police agencies to compare DNA profiles electronically. CODIS uses two indexes: 1) the Forensic Index, which contains DNA profiles from crime scenes; and 2) the Offender Index, which contains DNA profiles of individuals convicted of sex offenses and other violent crimes.


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