The Nucleus and its Functional Domains

ID #1818

Where are heterochromatin and euchromatin most likely to be? Is it always in the nucleus ? Heterochromatin is usually found around the periphery of the nucleus or somewhere else ? Is euchromatin just found where ever the heterochromatin is not?


Yes, if it's chromatin, that means there's DNA present, which means it's in the nucleus. Heterochromatin is found either at the periphery of the nucleus or buried in the interior of a chromosomal domain; in other words, not exposed to an interchromosomal territory. Euchromatin, which is unwound because the cell is working on it at the time, will be wherever the machinery is that's working on it; in other words, most likely at the periphery of an interchromosomal territory.

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