Question

Gene therapy has been successful in curing genetic diseases in laboratory animals through

• A. Exposure to X-ray to rectify the defective gene
• B. Replacing the defective gene with a functional gene
• C. Oral delivery of genes
• D. Use of therapeutic medicines to rectify the defective genes

Answer 1

The correct option is B Replacing the defective gene with a functional gene

B. Replacing the defective gene with a functional gene

Solution : Gene therapy has become successful because of the main fact that it can deliver and replace a defective gene with a functional gene.

So the correct answer is "Replacing the defective gene with a functional gene"