Manawatu Standard

Scientists make embryo from monkey and human cells


Monkey-human embryos have been created and kept alive for an extended period for the first time in research that scientists said posed significan­t ethical questions. The embryos, some of which continued to develop until 20 days, were made by injecting human stem cells into macaque embryos in a laboratory. These stem cells continued to proliferat­e, creating embryos that were neither monkey nor human. All were grown outside the womb, and they averaged about 4 per cent human cells. The researcher­s said that their work, whichwas published in the journal Cell, offered away of studying early human developmen­t.

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