1. Cloning cattle of proven performance seems the natural extension of these techniques. 2. In Wisconsin, they are successfully cloning cattle. 3. Tsunoda and the others say that one reason to clone cattle would be to reproduce exact copies of animals that are superb producers of meat or milk. 4. Wilmut said that the method could work for any animal and that he hoped to use it next to clone cattle. 5. Later, he was the first to clone transgenic cattle. |
每页显示:
共 5 句