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- A multiple of the haploid chromosome number that results from chromosome replication without nuclear division.
Susan Allender-Hagedorn and Charles Hagedorn - Cite This Source - This Definition
- Organism, tissue or cell s having more than two complete sets of chromosomes. Many crop plants are polyploid, including bread wheat (hexaploid, 6x), cotton and alfalfa (tetraploid, 4x), and banana (triploid, 3x).
UN Food and Agriculture Organization - Cite This Source - This Definition
- aneuploid, dihaploid, euploid, mixoploid, monoploid, octoploid, somatic reduction, tetraploid, triploid, x