Question

genetic therapy and engineering __________. a. have no value for our future b. have been used for many years to prevent genetic diseases c. are simple procedures that most doctors can perform d. are controversial scientific procedures please select the best answer from the choices provided. a b c d

Explanation:

Genetic therapy and engineering involve altering genetic material. It has potential benefits but also raises ethical, moral, and safety concerns.

• Option A is incorrect as it has value (e.g., treating genetic disorders).
• Option B is wrong as it's not been used for many years in a widespread preventive sense.
• Option C is incorrect as it's a complex procedure not simple for most doctors.
• Option D is correct as it is a controversial scientific procedure due to various concerns.

Answer:

D. are controversial scientific procedures