Heterochromatin
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Heterochromatin is a tightly packed form of chromatin, which comes in multiple varieties. These varieties lie on a continuum between the two extremes of constitutive heterochromatin and facultative he
Microscopy of heterochromatic versus euchromatic nuclei (H&E stain).
Euchromatin
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Euchromatin is a lightly packed form of chromatin that is enriched in genes, and is often under active transcription. Euchromatin stands in contrast to heterochromatin, which is tightly packed and les
Heterochromatin
…interactions with Polycomb family proteins, whereas the latter is referred to more simply as "heterochromatin." Chromatin is found in two varieties: euchromatin and heterochromatin. Originally, the two forms were distinguished cytologically by how intensely they get stained – the euchromatin is less intense…
Distinction between euchromatin and heterochromatin