染色質
染色質（英文：Chromatin）係真覈細胞入面DNA同埋蛋白質嘅複合體。佢嘅主要功能係將長嘅DNA分子嘅結構整到更加緊湊同密集。噉樣做可以防止啲鏈繞埋一舊，並且喺細胞分裂期間防止DNA整爛，重喺調節基因表達同埋DNA複製方面起住重要嘅作用。喺有絲分裂同減數分裂嘅過程入面，染色質喺後期（anaphase）嗰陣會促進後期染色體嘅適當分離。喺呢個階段睇到嘅染色體特徵形狀其實係DNA捲成高度濃縮嘅染色質而嚟。
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