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The cloning of human cells provides the potential to find cures and eliminate diseases. The dream of some researchers is to create a utopian world of good health. Others question whether it is right to "Play God" in an attempt to cure the disabilities and diseases of this world. Some of the great hopes for cloning include the ability to perform transplants, whenever they are needed, using cloned organs. For example, people with lung cancer may simply have their lungs replaced with healthy ones. Scientists also look forward to the day when people in wheelchairs can walk again, and illnesses such as Alzheimer's and Parkinson's Disease can be prevented.

克隆人类细胞有可能会找到治愈疾病的疗法并消灭疾病。一些研究人员的梦想是建立一个健康的乌托邦世界。其他研究人员则质疑人类企图治疗世上的伤残和疾病去扮演上帝的角色是否正确。人们对克隆的一些伟大希望包括在需要进行移植手术时，人们能使用克隆器官。例如：肺癌患者可能仅需换个健康的肺。科学家也期待着有一天，长期坐轮椅的人能再站起来，老年痴呆症及帕金森氏症等疾病也都能事先预防。