For treatment of SCIDS, the bone marrow stem cells are infected with a retrovirus that carries:
Correct answer: C. A normal gene for the enzyme
- A. A normal enzyme
- B. A mutant gene for the enzyme
- C. A normal gene for the enzyme
- D. A normal gene for T and B cells
Explanation
Retrovirus acts a vector and carrier a normal gene for the synthesis of ADA enzyme with its DNA (recombinant DNA).
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Biotechnology in health care applies biological organisms, cells or enzymes to diagnose and treat disease. The subject includes recombinant DNA, genetically engineered insulin, vaccines, antibiotics, monoclonal antibodies, gene therapy and techniques such as polymerase chain reaction, while distinguishing therapeutic applications from agricultural and industrial biotechnology.
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