allopolyploidy

Noun

 * 1)  A form of polyploidy (having more than the usual number of chromosomes) that results from the interbreeding of different species.
 * 2) * 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.

Translations

 * Portuguese: alopoliploidia