Polyploidy, changes in the number of whole sets of chromosomes, is a common process during differentiation of animal and plant cells. It is also an important process in species evolution.

Keywords: chromosome endoreduplication; polyteny


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D'Amato, Francesco, and Durante, Mauro(Mar 2003) Polyploidy. In: eLS. John Wiley & Sons Ltd, Chichester. http://www.els.net [doi: 10.1038/npg.els.0001186]