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.
    人們對克隆的一些偉大希望包括在需要進行移植手術(shù)時人們能使用克隆器官。例如：肺癌患者可能僅需換個健康的肺?？茖W家也期待著有一天長期坐輪椅的人能再站起來，老年癡呆癥及帕金森氏癥等疾病也都能事先預防。