The German Ethics Council (Deutscher Ethikrat) has recommended that researchers be allowed to insert human genes into mice in a major report on human-animal mixtures. But special permission will be needed to insert human genes into apes. Some practices should be banned, it says: introducing animal material into human germlines, producing human sperm or eggs in an animal, and implanting animal embryos into humans.
However, on the highly controversial creation of cybrids (or chimeras), or growing embryos by inserting the nucleus of a human cell into an animal egg, the Council failed to reach a consensus. No German laws appear to cover the procedure, which some researchers hope to use to produce embryonic stem cell lines. Thirteen members of the council recommended that scientists should be allowed to do it; 11 were opposed.
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