11. No one but Wilmut has ever cloned an animal from a differentiated cell, whether fetal or juvenile or adult. 12. Now, Navajos say it is being desecrated by scientists who have cloned the animal. 13. Now, Navajos say this symbol of sustenance is being desecrated by scientists who have cloned the animal. 14. PPL, for example, wants to clone animals that can produce pharmacologically useful proteins, like the clotting factor needed by hemophiliacs. 15. Reproductive scientists say cloning a human would be far more complicated than cloning an animal. 16. Scientists could clone animals from those cells by replacing the nucleus of an egg with the nucleus from the genetically engineered cell. 17. Some other scientists are working on cloning adult animals, but no clones have been born yet. 18. The museum does not have any plans to try to clone any animals from the frozen tissues. 19. They would use those cells to clone animals. 20. This is the technique used to clone animals such as sheep and cattle. |