Gap Fill - Chimera - Level 4


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   common      development      ethical      groundbreaking      human      members      organ      organism      species      valve  

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In this research, scientists injected cells into monkey embryos and studied their . The bio-scientist said there were concerns but chimera are . He said: "Every time a person gets an transplant, the result is an intra-species chimera - an made up of cells from two of the same species....When a human gets a pig heart , she becomes an inter- chimera."

Try the Chimera - Level 5 gap fill.

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