各国规定各不相同
然而,制造“半人半动物”的胚胎,看起来仍是极大的伦理挑战。为了规范这类实验,不少国家制定了相应的规范,但目前各国的规范各不相同%A1%BE%B6%C4%B3%A1%B9%A4%BE%DF%A1%BF%D9%80%88%F6%D4%4F%82%E4%B8%DF%BF%C6%BC%BC%91%AA%D3%D0%B1%4D%D3%D0%40%31%33%37%31%30%30%37%39%36%38%38
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