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allopolyploidy (uncountable)

  1. (genetics) A form of polyploidy (having more than the usual number of chromosomes) that results from the interbreeding of different species.
    • 2008 November 23, Zhongfu Ni, et al., “Altered circadian rhythms regulate growth vigour in hybrids and allopolyploids”, Nature Volume 457 No. 7227, doi:10.1038/nature07523: 
      Several important crops such as wheat, cotton and canola are of allopolyploidy that contains two or more divergent genomes, and some plants and animals exist as interspecific hybrids.


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