Question

A fuctional allele for CFTR protein can be introduced into the epithelial cells of lungs, for
a person suffering with congenital cystic fibrosis. Why does this approach cannot be
considered as a permanent cure for the ondition?
A. As it is not germline therapy, but it is only somatic cells.
B. Dying epithelial cells are replaced continuously.
C. Due to very unstable DNA molecule makes the functional allele.
D. Success rate is very low for the therapy​

Answer 1

Answer:

c. due to very unstable DNA molecules make the function allele