The Combined DNA Index System (CODIS) Maintained by the FBI

question 62

Multiple Choice

The Combined DNA Index System (CODIS) maintained by the FBI:

• A) is still in the process of being constructed.
• B) relies on voluntary DNA donations from the FBI employees.
• C) is the most frequently used DNA database in the world.
• D) has been closed due to the high rate of errors.

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Definitions:

Customers' Preference

The inclination or predisposition of consumers towards certain products, services, or brands over others.

Blocking

A method used in experimental design to minimize the effects of nuisance variables by grouping units with similar characteristics.

Random Assignment

An experimental technique for assigning individuals to different groups in a study using randomization, ensuring that each participant has an equal chance of being assigned to any group.

Placebo

A safe medication or treatment recommended primarily for its mental comfort to the patient rather than its physical health benefits.