Which of the following is true about gene therapy?

A technique used to replace a defective gene with a healthy gene

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A technique that corrects the defective gene

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A technique used to cure genetic disease

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All of the these

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Solution

The correct option is D
All of the these

Gene therapy is used to treat genetic disorders resulting due to the presence of a nonfunctional gene copy. In this case, functional genes are inserted into the cells or tissue of a patient and then those cells are delivered to the patient to compensate for the effects of the non-functional gene.

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