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In gene therapy of Adenosine Deaminase (ADA) deficiency, the patient requires periodic infusion genetically engineered l…

Q1

In gene therapy of Adenosine Deaminase (ADA) deficiency, the patient requires periodic infusion genetically engineered lymphocytes because:

aGenetically engineered lymphocytes are not immortal cells.

bRetroviral vector is introduced into these lymphocytes.

cGene isolated from marrow cells producing ADA is introduced into cells at embryonic stages

dLymphocytes from patient's blood are grown in culture, outside the body.

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