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49514
star this property registered interest false more like this
star this property date remove filter
star this property answering body
Department of Health more like this
star this property answering dept id 17 more like this
unstar this property answering dept short name Health more like this
star this property answering dept sort name Health more like this
star this property house id 1 more like this
star this property legislature
25259
star this property pref label House of Commons more like this
star this property question text To ask the Secretary of State for Health, pursuant to the Answer of 7 April 2014, Official Report, column 42W, on in vitro fertilisation, if he will provide specific references to the available evidence that no genomic DNA is found in the mitochondria but only in the cell nucleus; how their consideration that mitochondrial DNA is not part of the genome relates to the presentation of data on the human genome in the ENSEMBL and OMIM databases; what precise genetic modifications are applied to the eggs or embryos that would prevent any nuclear DNA from the egg or embryo donors from being inherited by the resulting child; and if he will make a statement. more like this
star this property tabling member constituency Southend West more like this
star this property tabling member printed
Mr David Amess more like this
star this property uin 197463 more like this
star this property answer
answer
star this property is ministerial correction false more like this
star this property date of answer less than 2014-05-07more like thismore than 2014-05-07
star this property answer text <p>We have been advised by the Wellcome Trust that whole mitochondrial DNA genome sequencing has revealed no evidence of nuclear genomic DNA inside mitochondria and data on the human genome available in the ENSEMBL and OMIM databases confirms that there is no nuclear genomic DNA in the mitochondria.</p><p> </p><p>Inheritance of nuclear DNA from the donor egg is prevented in the Maternal Spindle Transfer technique through the removal of the spindle from the donor egg. Given that the nuclear DNA in the form of condensed chromosomes is attached to the spindle, nuclear genomic DNA from the donor will be removed and not inherited by the resulting child. Techniques that allow the visualisation of condensed chromosomes in eggs are used to ensure that all the chromosomes are removed.</p><p> </p><p>For embryos used in the Pronuclear Transfer technique, the nuclear genomic DNA is enclosed within the nuclear membrane of the maternal (egg-derived) and paternal (sperm-derived) pronuclei. The donor nuclear genomic DNA will be removed when the pronuclei are removed.</p><p> </p><p>There is no universally agreed definition of genetic modification in humans. The Government has adopted a working definition for the purpose of taking forward the draft mitochondrial donation regulations, that genetic modification involves the germ-line modification of nuclear DNA that can be passed on to future generations. Therefore, the Government does not accept that mitochondrial donation amounts to genetic modification.</p><p> </p>
star this property answering member constituency Battersea more like this
unstar this property answering member printed Jane Ellison more like this
star this property grouped question UIN 197061 remove filter
star this property question first answered
less than 2014-05-07T12:00:00.00Zmore like thismore than 2014-05-07T12:00:00.00Z
unstar this property answering member
3918
star this property label Biography information for Jane Ellison more like this
star this property tabling member
44
unstar this property label Biography information for Sir David Amess more like this