This is a 2024 Forensic Biology test that is part of the CTS Late Order Purchase (LOP) plan. Credit card purchase only. Participants analyze samples for the purpose of body fluid identification. Samples ship in March. (Screening)

This is a 2024 Forensic Biology test that is part of the CTS Late Order Purchase (LOP) plan. Credit card purchase only. Participants evaluate DNA profiles in the form of electropherograms and report interpretation results. This test is only available online. Test materials are made available in April. (STR/YSTR)

Participants analyze samples for DNA and report paternity conclusions with associated statistical results. Samples are provided on either FTA™ Micro Cards or swab substrates. Samples ship in February. (STR/YSTR/Statistics)

Participants analyze samples for DNA and report paternity conclusions and associated statistical results. Samples are provided on either FTA™ Micro Cards or swab substrates. Samples ship in May. (STR/YSTR/Statistics)

Participants analyze samples for DNA and report paternity conclusions and associated statistical results. Samples are provided on either FTA™ Micro Cards or swab substrates. Samples ship in August. (STR/YSTR/Statistics)