. . . . . "

The Human Fertilisation and Embryology Authority (HFEA) has advised that in its 2014 report the Expert Panel, convened by the HFEA, concluded that, in relation to mosaicism in human morulae:

\u201CAlthough experiments are already reported on ES cells and their derivatives with MST, further corroborative experiments would be valuable to demonstrate the degree of heteroplasmic mosaicism in morulae, and to provide data to address whether there was any amplification of mtDNA carried over.\u201D

The Panel\u2019s report can be found on the HFEA\u2019s website at:

http://www.hfea.gov.uk/6896.html

The \u201Calready reported\u201D experiments were published in Nature in 2013.

At the time of writing the 2014 report, to the Panel\u2019s knowledge, this work had not been published in a peer-reviewed journal. The Department does not routinely publish scientific research conducted independently by others.

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