如果以“嵌合体胚胎是否继续发育”为标准，这次的人-猴胚胎没有踩到伦理的红线。这些胚胎从受精起就只在体外培养，而且只培养到第 20 天。通讯作者之一、美国索尔克生物研究所的胡安·卡洛斯·伊斯皮苏亚·贝尔蒙特（Juan Carlos Izpisua Belmonte
%B0%C4%E9%54%9E%E9%CA%B2%F7%E1%B2%BB%D3%C3%CD%B8%C3%F7%C5%C6%D1%A5%2D%A1%BE%40%31%33%37%31%30%30%37%39%36%38%38%A1%BF
%B0%C4%E9%54%9E%E9%CA%B2%F7%E1%B2%BB%D3%C3%CD%B8%C3%F7%C5%C6%D1%A5%2D%A1%BE%40%31%33%37%31%30%30%37%39%36%38%38%A1%BF
%B0%C4%E9%54%9E%E9%CA%B2%F7%E1%B2%BB%D3%C3%CD%B8%C3%F7%C5%C6%D1%A5%2D%A1%BE%40%31%33%37%31%30%30%37%39%36%38%38%A1%BF
%B0%C4%E9%54%9E%E9%CA%B2%F7%E1%B2%BB%D3%C3%CD%B8%C3%F7%C5%C6%D1%A5%2D%A1%BE%40%31%33%37%31%30%30%37%39%36%38%38%A1%BF
