Answer:
2. Databases are created using genetic sequence data collected at crime scenes.
3. Participants willingly donate their DNA for specific research purposes
Step-by-step explanation:
Genetic sequence is also used for solving the criminal cases by using any biological material that is collected during investigation at the crime scene. The crime department has forensic lab where these biological materials are tested. Sometime participants also donate their DNA for specific research and experiments in order to increase the knowledge about genetics so both have no social or ethical issues in the United States.