polyploidy

Meanings

1. 1
   noun

   the condition or process of having more than two complete sets of chromosomes in a cell or organism

   Polyploidy is common in flowering plants and has helped produce many crop varieties.

From polyploid + -y, modeled on German Polyploidie. Polyploid combines poly- ("many") with ploid, a term for chromosome-set number derived from Greek -ploos ("-fold").

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