Probably the strongest argument for using gene therapy and genetic enhancement appeals to the principle of: a. justice. b. double effect. c. beneficence. d. autonomy.

C. beneficence.D. autonomy.

The strongest argument for using gene therapy and genetic enhancement appeals to the principle of both beneficence and. Autonomy.
in beneficence the idea addressed is our actions should promote good and doing good is thought of as doing what is best for the patient. 

In autonomy, the person has the ability to make his or her own decisions.

there are indirect ways of affecting state laws   by with holding funding's. and that's why we have a 55mph speed on the high way with a design of 70mph speed.