Which one of the following vectors is used to replace the defective gene in gene therapy?
Correct answer: A. Adenovirus
- A. Adenovirus
- B. Cosmid
- C. Ri plasmid
- D. Ti plasmid
Explanation
Gene therapy is a corrective therapy that is given to patients with diseases caused by some gene defects. Here, genes are inserted into a person's cells and tissues to treat the disease by replacing the defective gene. The normal gene delivered into the individual or embryo takes over the function and compensates for the normal gene. Viral vectors like adenovirus are generally used to deliver the normal gene.
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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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