Polyploid

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Food Biotechnology

A multiple of the haploid chromosome number that results from chromosome replication without nuclear division.

Susan Allender-Hagedorn and Charles Hagedorn — An Agricultural and Environmental Biotechnology Annotated Dictionary

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 — Glossary of Biotechnology for Food and Agriculture