Scientists create human-sheep chimera with hopes of affordable organ transplants

A team of scientists has grown embryos inside a sheep that contain human stem cells, moving the sci-fi idea of developing human organs inside animals one step closer to reality, which has sparked ethical concerns.

The scientific breakthrough could potentially save the lives of thousands of people who are in a dire need of vital organ transplants. While many patients die before they move up to the top of a queue, organs grown inside a sheep, like a pancreas, can not only save a life but also cure a chronic illness such Type 1 Diabetes, the researchers say.

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