totipotence

from The Century Dictionary.

• noun In biology, the capacity to generate or regenerate the whole. An egg or a bud which may become a complete organism, or a fragment of the leaf of a begonia which may give rise to a complete plant, is an illustration of totipotence or the potency of the whole.

from Wiktionary, Creative Commons Attribution/Share-Alike License.

• noun Totipotency.

from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.

• noun the ability of a cell to give rise to unlike cells and so to develop a new organism or part