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.
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。