Gene Therapy Test

[Which best describes the process of gene therapy?
(a)Functional genes are inserted into the reproductive cells in order to fix ailments in the next generation.]
(b)The chromosome with the faulty gene is replaced by a fully functional, working copy.
(c)Viral vectors are used to replace nonfunctional genes with working copies.

Answer
(c)Viral vectors are used to replace nonfunctional genes with working copies.