Definitions for "Heterochromatin"
condensed chromatin that remains inactive during DNA transcription and is replicated very late during the S phase of the cell cycle.
( het-ur-oh- kroh-muh-tin) Nontranscribed eukaryotic chromatin that is so highly compacted that it is visible with a light microscope during interphase.
Region of a chromosome that remains unusually condensed and transcriptionally inactive during interphase.
For differently-colored eyes, see Heterochromia.