octaploidy
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pol·y·ploi·dy
(pol'ē-ploy'dē),The state of a cell nucleus containing three or more haploid sets. Cells containing three, four, five, or six multiples are referred to, respectively, as triploid, tetraploid, pentaploid, or hexaploid.
[poly- + G. ploidēs, in form]
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octaploidy
(ŏk′tă-ploy″dē)The condition of having eight sets of chromosomes.
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