Scientists have adapted cloning technology to create human eggs from skin cells and a donor egg, potentially opening a new route to motherhood for women who are infertile.
The research could one day enable them to have genetically related children by inserting their own DNA into donated eggs, though it is still at an early stage.
Researchers at Oregon Health & Science University transferred nuclei from adult cells to donated eggs from which the nucleus had been removed. They then induced these cells to divide in a way that shed half their chromosomes — a DNA rearrangement necessary for fertilisation.
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