A team at Newcastle University said Wednesday they had asked the Human Fertilization and Embryology Authority for a license to create embryos from which stem cells would be harvested for medical research.
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If permission is granted, scientists may create cloned embryos only for purposes of extracting stem cells for medical research. The extraction, which is done when the embryo is a few days old, means the clones cannot develop into babies. The embryos are only allowed to be developed until they are 14 days old.


