Definition of "polyploidy" []

• The state or condition of being a polyploid; having more than the usual two homologous sets of chromosomes. (noun)

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• "Although the cell's chromosome-containing nuclei divided normally, the cells themselves didn't divide, resulting in too many nuclei per cell-a condition known as polyploidy that's exhibited by many cancer cells."
• "In other words, macrogenetic changes might occur suddenly (e.g. polyploidy leading to speciation in plants), but that changes to the overall structure of the organism, changes that require coordinated changes, occurs through evolution by natural selection."
• "In other words, macrogenetic changes might occur suddenly (polyploidy leading to speciation in plants), but that changes to the overall structure of the organism, changes that require coordinated changes, occurs through evolution by natural selection."