- the dense, highly stainable part of a chromosome.
Origin of heterochromatin
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018
- the condensed part of a chromosome that stains strongly with basic dyes in nondividing cells and has little genetic activityCompare euchromatin
- The part of the chromonema that remains tightly coiled and condensed during interphase and thus stains readily.