heterochromatin
the dense, highly stainable part of a chromosome.
Origin of heterochromatin
1- Compare euchromatin.
Words Nearby heterochromatin
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2023
How to use heterochromatin in a sentence
Large portions of the DNA in the nucleus are classified as heterochromatin because they are more compact and generally not expressed as proteins.
A Newfound Source of Cellular Order in the Chemistry of Life | Viviane Callier | January 7, 2021 | Quanta MagazineThese droplets can fuse with each other, possibly providing a mechanism for compacting heterochromatin inside the nucleus.
A Newfound Source of Cellular Order in the Chemistry of Life | Viviane Callier | January 7, 2021 | Quanta MagazineCollectively those inactive, tightly guarded parts of the genome are known as heterochromatin.
In a first, a person’s immune system fought HIV — and won | Tina Hesman Saey | August 26, 2020 | Science News
British Dictionary definitions for heterochromatin
/ (ˌhɛtərəʊˈkrəʊmətɪn) /
the condensed part of a chromosome that stains strongly with basic dyes in nondividing cells and has little genetic activity: Compare euchromatin
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012
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