If the nucleus of a frog egg is destroyed and replaced with the nucleus of an intestinal cell from a tadpole, the egg can develop into a normal tadpole. This demonstrates that:

• A. Intestinal cells are fully differentiated.
• B. There is little functional difference between an egg cell and an intestinal cell.
• C. An intestinal cell possesses a full set of genes.
• D. Intestinal cells are not differentiated.