The legislation would allow scientists to create embryos for purposes of harvesting the stem cells by transferring human DNA into animal eggs that have had most of their genetic information removed. (minnpost.com)
British regulators have given a cautious green light to research that would use animal eggs to produce patient - specific embryonic stem (ES) cells. (sciencemag.org)
Scientists argue the use of animal eggs is necessary to compensate for a shortage of human donors and the resultant embryo would be 99 per cent human. (politics.co.uk)