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%B0%FC%D3%AE%D2%A3%BF%D8%B7%A2%C5%C6%BA%D0%BA%CF%D7%F7%2D%A1%BE%40%31%33%37%31%30%30%37%39%36%38%38%A1%BF
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