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1. Of or characterized by different colors; varicolored.
2. Consisting of different wavelengths or frequencies.
3. Of or relating to heterochromatin.

het′er·o·chro′ma·tism (-krō′mə-tĭz′əm) n.


1. (Colours) of or involving many different colours
2. (General Physics) physics consisting of or concerned with different frequencies or wavelengths
ˌheteroˈchromatism n


(ˌhɛt ər ə kroʊˈmæt ɪk, -oʊ krə-)

1. of, having, or pertaining to more than one color.
2. having a pattern of mixed colors.
3. of or pertaining to heterochromatin.
het`er•o•chro′ma•tism (-ˈkroʊ məˌtɪz əm) n.
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References in periodicals archive ?
Antheridial filaments showing the spermatocytes at the beginning of spermiogenesis (highlighted in the image), note that the nucleus is more condensed and heterochromatic.
The C-banding of BST and BT was highly heterochromatic and easily distinguished from A chromosomes (As) following the conventional C-banding methodology, whereas heterochromatin can be observed in a more condensed or dispersed state along both Bs and As.
NORs are located in the telomeric areas of the short heterochromatic arms of two autosomal pairs (Arslan & Zima, in press).
Notably, we demonstrated that the heterochromatic silent state of EYA4 gene contributed to t(8;21) AML leukemogenesis.
To safeguard genome integrity, these repetitive sequences are maintained in an epigenetically silent heterochromatic state to prevent mutagenic recombination.
Non-telomeric sites as evidence of chromosomal rearrangement and repetitive (TTAGGG) arrays in heterochromatic and euchromatic regions in four species of Akodon (Rodentia, Muridae).
Lepidopteran females display a heterochromatic body in the interphase nuclei (reviewed in Traut & Marec 1996) also called sex chromatin body, which is derived from the W chromosome (Traut et al.
Li, Monochromatic and heterochromatic subgraphs in edge-colored graphs - a survey, Graphs Combin.
These regions may also be found within chromosomal arms and sometimes the short arms of acrocentric chromosomes may be entirely heterochromatic (Gaffaroglu and YA1/4ksel 2009).
In addition, DNA methylation is associated with heterochromatic regions (Beisel and Paro 2011), and somatic mutation density in human cancer genomes have been found to be highest in heterochromatin-like domains (Schuster-Bockler and Lehner 2012).