Genetic engineering of humans is currently experimental. Which of the following problems has been documented w

Question

a. The patient's immune system destroyes the virus.
b. The insertion of the virus causes further disease like leukemia.
c. The person contracts alethal viral disease.
d. Both A and B above are correct.

Answer 1

Your question is incomplete, but it would be A.
Viral vectors are chosen that are known not to cause serious disease.