Gene Therapy Welcome! You are encouraged to register with the site and login (for free). When you register, you support the site and your question history is saved.Gene therapy, the use of DNA as a drug to treat disease, has potential applications such as "gene doping," treating single gene defects in individuals, and the elimination of certain malicious genes from the DNA passed on to patient's offspring. treating single gene defects the treatment of single gene defects treat single gene defects to treat single gene defects single gene defects that can be treated Review Answer