BioNews - Why the mitochondria debate shouldn't be left to the popular media: Dr Geoff Watts, who chaired the Nuffield working group, referred to the 'three parent froth', and noted in resigned tones that this debate now seems doomed to be labelled in this way. Yet, as he pointed out, this distracts from the far more significant issue raised by the potential treatment strategy under discussion, namely that of moving a nucleus from one egg to another. This touches for the first time on the issue of changing the genetic material, albeit a minuscule amount, of the female offspring in future generations. The genetic material in question is restricted to the organelles in the cytoplasm that provide cells with energy, the mitochondria.
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