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49514
registered interest false more like this
date remove filter
answering body
Department of Health more like this
answering dept id 17 more like this
answering dept short name Health more like this
answering dept sort name Health more like this
house id 1 more like this
legislature
25259
pref label House of Commons more like this
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
tabling member constituency Southend West more like this
tabling member printed
Mr David Amess more like this
uin 197463 remove filter
answer
answer
is ministerial correction false more like this
date of answer less than 2014-05-07more like thismore than 2014-05-07
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>
answering member constituency Battersea remove filter
answering member printed Jane Ellison more like this
grouped question UIN 197061 more like this
question first answered
less than 2014-05-07T12:00:00.00Zmore like thismore than 2014-05-07T12:00:00.00Z
answering member
3918
label Biography information for Jane Ellison more like this
tabling member
44
label Biography information for Sir David Amess more like this