Question

A correction or alleviation of a genetic disorder by the introduction of a normal gene copy into an affected individual is called

• A. gene probe
• B. gene duplication
• C. gene therapy
• D. gene cloning

Answer 1

The correct option is C gene therapy

Gene therapy is a technique to replace a faulty gene by a normal gene or adding a normal gene copy of a missing or non-functional gene in DNA which will help to restore normal functioning of the gene. This helps to alleviate any genetic disorder that might have been caused due to the absence of the normal gene.