alleryThe ADA gene is carried into a patient's lymphocytes by a:
AChromosomal fibre
BRetroviral vector
CBacterial plasmid
DRibosomal subunit
Answer & Solution
Correct answer: B. Retroviral vector
1. Lymphocytes are grown outside the body first.
2. A working ADA copy has to be delivered into them.
3. A retroviral vector carries it in.
_Source: syllabus Biology, Ch 10 'Biotechnology and its Applications'_
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