But testing human embryonic stem cells in this manner would create a chimeric animal with human DNA throughout its body, a prospect many find ethically troubling.
But testing human embryonic stem cells in this manner would create a chimeric animal with human DNA throughout its body, a prospect many find ethically troubling.
然而，如果以这种方式来测试人类胚胎干细胞特性，将会制造出全身带有人类DNA的嵌合动物，许多人认为这有违伦理。