What are the advantages of using genetic testing to aid in drug selection for patients? Select all correct answers from the list below. Check All That Apply

A) Patients likely to experience adverse reactions to a drug can be identified.
B) When several drugs are available for the same condition, the drug most likely to be effective can be selected.
C) Allergic reactions to drugs can be prevented.
D) The response to drug treatment can be monitored.
E) The patients prognosis can be predicted