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Related to Octoploidy: Allopolyploids


Having one or more extra sets of chromosomes: a polyploid species; a polyploid cell.
An organism with more than two sets of chromosomes.

pol′y·ploi′dy n.
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Noun1.polyploidy - the condition of being polyploid
condition - a mode of being or form of existence of a person or thing; "the human condition"
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Although the populations under study cover several interesting germplasm comparisons, and a wide range of the genetic variability available for breeding, the within-population variation was large due to the outcrossing reproduction and the octoploidy of smooth bromegrass.