An example of gene therapy is
production of injectable hepatitis B vaccine
production of vaccines in food crops like potatoes which can be eaten
introduction of gene for adenosine deaminase in persons suffering from Severe Combined Immuno Deficiency (SCID)
production of test tube babies by artificial insemination and implantation of fertilised eggs
C.
introduction of gene for adenosine deaminase in persons suffering from Severe Combined Immuno Deficiency (SCID)
Gene therapy is the method of correction of genetic defect by delivery of normal gene to replace the faulty gene. The first clinical gene therapy was given to a 4-year old girl with adenosine deaminase (ADA) deficiency. Deficiency of ADA causes SCID.