Why is the introduction of genetically engineeered lymhoucytes in to ADA deficeincy platient not a permanenet cure? Suggest a possible permanent cure

Why is the introduction of genetically engineered lymphocytes in to ADA deficiency patient is not a permanent cure? Suggest a possible permanent cure

(i) What is gene therapy? Name the first clinical case where it was used. (ii) Why is the introduction of genetically engineered lymphocytes into ADA deficiency patient not a permanent cure? Suggest a possible permanent cure.

Why is the introduction of genetically engineered lymphocytes into ADA deficiency patient not a permanent cure? Suggest a possible permanent cure.

Why is the introduction of genetically engineered lymphocytes into a ADA deficiency patient not a permanent cure ? Suggest a possible permanent cure.

Why is the introduction of genetically engineered lymphocytes into a ADA deficiency patient not a permanent cure? Suggest a possible permanent cure.

Why is the introduction of genetically engineered lymphocytes into a ADA deficiency patient not a permanent cure ? Suggest a possible permanent cure.

Why is the introduction of genetically engineered lymphocytes into an ADA deficieny patient not a permanent cure ? Suggest a possible permanent cure.

Why is the introduction of genetically engineering lymphocyte into a ADA deficiency patient not apermanent cure? Suggest a possible permanent cure.

Assertion: In gene therapy of SCID, a patient requires periodic infusion of genetically engineered lymphocytes Reason :If the ADA gene is introducted into cells at early embryonic stage, it could be a permanent cure