10687 IUPAC Gold Book - euploid 10.1351/goldbook.10687 10687 current 1 Referring to a cell or organism with chromosomes present in an integral multiple of the haploid number. A human cell with the normal number of \(\pu{46}\) chromosomes, an integral multiple of the monoploid number, \(\pu{23}\), is thus euploid. However, a human with abnormal, but integral, multiples of this full set (e.g., \(\pu{69}\) chromosomes) would also be considered as euploid. haploid https://goldbook.iupac.org/terms/view/10786 PAC, 2016, 88, 713. 'Glossary of terms used in developmental and reproductive toxicology (IUPAC Recommendations 2016)' on page 752 (https://doi.org/10.1515/pac-2015-1202) https://goldbook.iupac.org/terms/view/10687/html https://goldbook.iupac.org/terms/view/10687/json https://goldbook.iupac.org/terms/view/10687/plain Citation: 'euploid' in IUPAC Compendium of Chemical Terminology, 5th ed. International Union of Pure and Applied Chemistry; 2025. Online version 5.0.0, 2025. 10.1351/goldbook.10687 The IUPAC Gold Book is licensed under Creative Commons Attribution-ShareAlike CC BY-SA 4.0 International (https://creativecommons.org/licenses/by-sa/4.0/) for individual terms. If you are interested in licensing the Gold Book for commercial use, please contact the IUPAC Executive Director at executivedirector@iupac.org . The International Union of Pure and Applied Chemistry (IUPAC) is continuously reviewing and, where needed, updating terms in the Compendium of Chemical Terminology (the IUPAC Gold Book). Users of these terms are encouraged to include the version of a term with its use and to check regularly for updates to term definitions that you are using. 2026-05-14T19:14:42+00:00