The Advent wreath is a circular garland of evergreen branches representing eternity. On that wreath, five candles are typically arranged. During the season of Advent, one candle on the wreath is lit each Sunday as a part of the Advent services.
Combined DNA Index System. The Combined DNA Index System (CODIS) is the United States national DNA database created and maintained by the Federal Bureau of Investigation.
CODIS was designed to compare a target DNA record against the DNA records contained in the database. Once a match is identified by the CODIS software, the laboratories involved in the match exchange information to verify the match and establish coordination between their two agencies.