Which of the following guidelines are true based on a population genetic screening program?

• A. Results should not be disclosed to employers, insurers, schools, or others without the individual's consent, to avoid possible discrimination.
• B. Newborn screening should be mandatory and free of charge if early diagnosis and treatment will benefit the newborn.
• C. Genetic screening should be mandatory, not voluntary.
• D. All of the above.

Answer: (C)