Euchromatin

The euchromatic region of DNA in a cell contains only one type of chromatic chromosomes - heterochromatic regions and chromatids. The main function of the euchromatic regions is to replicate and separate the cell's genetic material during the process of cell division. They are located between the heterochromatic domains of chromosomes.

Euchromatic region of DNA contrasted with heterochromatin. In euchromatic cells, genes located in the E. undergo continuous transcription, while genes in heterochromatic regions are turned off. Removal or introduction of new genetic information into euchromatic regions can lead to changes in phenotype or the development of hereditary diseases.