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.
After CODIS identifies a potential match, qualified DNA analysts in the laboratories contact each other to validate or refute the match. In 1995, the Texas Legislature passed a bill that established the DNA database and allowed DPS to begin compiling a database of DNA profiles of all sexual offenders in Texas and unknown forensic case samples. 1  State law now requires all felons to provide DNA samples.