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Having a chromosome number that is not a whole-number multiple of the haploid chromosome number of a given species.

het′er·o·ploid′ n.
het′er·o·ploi′dy n.


(Genetics) of a chromosome number that is neither the haploid nor diploid number characteristic of the species
(Genetics) such a chromosome number
ThesaurusAntonymsRelated WordsSynonymsLegend:
Noun1.heteroploid - (genetics) an organism or cell having a chromosome number that is not an even multiple of the haploid chromosome number for that species
organism, being - a living thing that has (or can develop) the ability to act or function independently
genetic science, genetics - the branch of biology that studies heredity and variation in organisms
References in periodicals archive ?
Heteroploid mosaics and reversion among triploid oysters, Crassostrea gigas: fact or artifact.
The telomere shortening induced by ROS could induce chromosome instability, leading to chromosomal loss, heteroploid, amplification, and translocation, driving tumorigenesis [133, 134].
and its variants: designation of emerging heteroploid hybrid pathogens spreading on Alnus trees.