Cell or nucleus containing two complete sets of chromosomes, one from each parent, or an organism composed of such cells.
Compare: haploid
Source:
PAC, 2016, 88, 713. 'Glossary of terms used in developmental and reproductive toxicology (IUPAC Recommendations 2016)' on page 744 (https://doi.org/10.1515/pac-2015-1202)