NEET2022Zoology-Biotechnology and Its Applications
NEET 2022 Zoology Gene Therapy MCQ Question
Type: MCQ-conceptual-Medium-Class 12
In gene therapy of Adenosine Deaminase (ADA) deficiency, the patient requires periodic infusion of genetically engineered lymphocytes because:
A
Lymphocytes from patient’s blood are grown in culture, outside the body.
B
Genetically engineered lymphocytes are not immortal cells.
C
Retroviral vector is introduced into these lymphocytes.
D
Gene isolated from marrow cells producing ADA is introduced into cells at embryonic stages.
Correct Answer
Option B
Detailed Explanation
Genetically engineered lymphocytes are not immortal, so periodic infusions are required to maintain ADA levels.
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