chromatin -
the readily stainable substance of a cell nucleus consisting of DNA and RNA and various proteins; during mitotic division it condenses into chromosomes
cell nucleus,
karyon,
nucleus a part of the cell containing DNA and RNA and responsible for growth and reproduction
chromosome a threadlike strand of DNA in the cell nucleus that carries the genes in a linear order; "humans have 22 chromosome pairs plus two sex chromosomes"
Chromatin is the combination of DNA, histone, and other proteins that makes up chromosomes. It is found inside the nuclei of eukaryotic cells. It is divided between heterochromatin (condensed) and euchromatin (extended) forms.
OmegaWiki Dictionary
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chromatin The complex of DNA and protein that makes up chromosomes.