Some plants duplicate their DNA to overcome adversity

Monday, August 1, 2011 - 15:31 in Biology & Nature

Whatever does not kill a plant may actually make it stronger. After being partially eaten by grazing animals, for example, some plants grow bigger and faster and reproduce more successfully than they otherwise would. In a new study, researchers report that one secret to these plants' post-traumatic triumph lies in their ability to duplicate their chromosomes -- again and again -- without undergoing cell division.

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