Q. The genetic defect deficiency can be cured permanently by Adenosine Deaminase (ADA)
A. the enzyme replacement therapy
B. periodic infusion of genetically engineered lymphocytes having functional ADA CDNA
C. introducing bone marrow cells producing ADA into cellsat early embryonic stages
D. administering adenosine deaminase activators
Answer: introducing bone marrow cells producing ADA into cellsat early embryonic stages