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如果希望嵌合体生物产生可移植器官，一种理想的情境是，科学家能有办法严格控制人细胞在嵌合体中出现的位置，让它们只出现在最有必要的地方——伦理与科技的死结，或许可以寄希望于更新的技术来解开。
嵌合体的英文chimera来源于古希腊，是一种上半身像狮子、中间像山羊、下半身像毒蛇的
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