Relating to or composed of basichromatin; describing the intensely staining, condensed portions of chromatin in cell nuclei.
From 'basichromatin' (basic staining chromatin) + '-ic' (relating to). A molecular biology adjective.
Biologists studying gene activity use this term to describe the tightly coiled DNA regions that don't express genes often—it's like the difference between a loosely organized pile of papers (active genes) and a tightly bound stack of files (basichromatinic regions).
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