alleryThe first clinical gene therapy treated a deficiency of:
AAdenosine deaminase
BAdenosine diphosphate
CAdenosine triphosphate
DAdenylate cyclase enzyme
Answer & Solution
Correct answer: A. Adenosine deaminase
1. A four year old girl was the first patient, in 1990.
2. Her disorder came from a deleted gene.
3. The missing enzyme was adenosine deaminase.
_Source: syllabus Biology, Ch 10 'Biotechnology and its Applications'_
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