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February 17, 2005

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Serial killing! Not really... more like serial replicating! The cells that are taken for each serial transfer double the number of embryos you have; so for instance, when you take the two blastomeres from a cleaved 2-cell embryo, you put each nucleus into a new oocyte and create a new embryo, so neither of the cells die, they each become entirely new embryos. This process of serial nuclear transfer is somewhat similar to what happens naturally with the phenomenon of identical twins, where one embryo separates and becomes two identical individuals. So they aren't really killing the cells when they do nuclear transfer, they just separate them to become two or more different embryos.

"So they aren't really killing the cells when they do nuclear transfer, they just separate them to become two or more different embryos."

...and then they kill them.

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