Have you ever heard of “humanized mice?” Well, it is an actual thing. Humanized mice are created by surgical implantations of human tissue into mice that have been genetically mutated in a way that blocks the development of the mouse’s immune system. This allows the implanted human tissues to grow and develop into functional human tissues inside the mice.
So who exactly are the scientists who are creating these humanized mice. And where do the scientists that are doing it get the human tissue that they implant into the mice? (Continue reading here.)