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they're tetraploid
August 22, 2005
by william.gunn,
4 years 13 weeks ago
Comment: 1120
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The title to this article, like so many heading science articles these days, is a bit of a non-sequitur.
They didn't create any new type of cell, all they did was show that if you fuse a human somatic cell and an ES cell, some of the genes that the somatic cell had silenced became unsilenced. This was entirely expected, because scientists such as Jaenisch have been fusing somatic and stem cells for quite some time. If they could then make the cell undergo reductional division, retaining the de-repressed somatic nucleus, that would be news.