cladogenesis

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cladogenesis

(klăd′ə-jĕn′ĭ-sĭs)
n.
An evolutionary process that involves the splitting off or branching of new taxa from an ancestral form.

clad′o·ge·net′ic (-jə-nĕt′ĭk) adj.
clad′o·ge·net′i·cal·ly adv.
The American Heritage® Medical Dictionary Copyright © 2007, 2004 by Houghton Mifflin Company. Published by Houghton Mifflin Company. All rights reserved.

cladogenesis

the branching of a phylogenetic tree to produce new forms and new species which evolve in their own way.
Collins Dictionary of Biology, 3rd ed. © W. G. Hale, V. A. Saunders, J. P. Margham 2005
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