CHRISTIAN DARKIN / SCIENCE PHOTO LIBRARY CHRISTIAN DARKIN / SCIENCE PHOTO LIBRARY
Dinosaur cloning. Image 3 of 3. Computer artwork of a Tyrannosaurus rex (T rex) dinosaur cloned from the soft tissue remains inside a fossilised bone. In 2005, scientists discovered soft tissue that resembled cells and fine blood vessels from a 68-million-year-old fossil bone of a T rex. In theory, the genetic make-up of the dinosaur could be found from this soft tissue, however DNA is very unstable and degrades quickly. Cloning involves taking the genetic material from one cell and implanting it into the egg (ovum) from which the genetic material has been removed. For a sequence showing dinosaur cloning, see images E446/493 - E446/495.
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