The Promise of Genetic Engineering A girl is born without Tay-Sachs disease, a devasting genetic disorder that has decimated a lot of babies worldwide. A leukemia patient has defective bone marrow replaced with healthy bone marrow that was cloned from tissue from her own cells. These futuristic scenarios are not part of the debate for genetic engineering but they should be. Many people are afraid that somebody will clone Hitler or some evil person, but that is far from the fact. Genetic engineering can be used to make many aspects of human life better, including saving lives. The rapid development of humanity's ability to control the gene wil