Scientists from the Roslin Institute, from whence the deceased Dolly the sheep was produced, have been working on getting embryonic stem cells from human embryos created via parthenogenesis. Parthenogenesis is the process of getting an egg to divide and grow without sperm.
"So far they have been able to make six embryos of about 50 cells apiece from 300 eggs.
‘At the moment we have not managed to get stem cells from these embryos, and that continues to be our ambition,' said Professor Paul de Sousa.
In order to get stem cells embryos of at least 100 cells are needed."
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