Answer :

Final answer:

CODIS is the most complete DNA database, maintained by the FBI. The National DNA Data Bank in Canada also plays a crucial role in storing DNA profiles.


Explanation:

CODIS (Combined DNA Index System) is the most complete DNA database out of the options provided. It is maintained by the Federal Bureau of Investigation (FBI) in the United States and stores DNA profiles from suspects, evidence, and even missing persons.

The National DNA Data Bank in Canada is another significant database that stores genetic traces collected at crime scenes in the Crime Scene Index (CSI) and DNA profiles of convicted offenders in the Convicted Offenders Index (COI).


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