Assertion: animal embryo | /r/MadeOf | human cells
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Source sentences:
text: The experiment, which still requires approval from the Japanese science ministry, would create animal embryos that contain human cells and transplant them into surrogate animals.
text: Japan’s science ministry last week gave provisional approval to a proposal from researchers at the University of Tokyo to create animal embryos that contain human cells and transplant them into surrogate animals, Japan’s Asahi Shimbun newspaper reported.