Keywords: NHGRI-85172.jpg en Gene therapy is an experimental technique for treating disease by altering the patient's genetic material Most often gene therapy works by introducing a healthy copy of a defective gene into the patient's cells 2010-06-12 https //www genome gov/dmd/img cfm node Photos/Graphics id 85172 Darryl Leja NHGRI other versions PD-USGov Gene therapy |