Final answer:
Chromatin shows tissue specific differences in the levels of euchromatin and heterochromatin. Euchromatin is associated with gene activity, and heterochromatin with genes that are not expressed, contributing to tissue differentiation based on gene expression patterns regulated through epigenetics.
Step-by-step explanation:
Chromatin shows tissue specific differences in the amount and arrangement of euchromatin and heterochromatin. Euchromatin is less condensed and contains genes that are actively being transcribed, while heterochromatin is highly condensed and typically contains genes that are not being expressed. This difference in chromatin structure is key for tissue differentiation, as it allows for specific genes to be expressed in different tissues, leading to the distinct functions of each tissue type.
The structure of chromatin undergoes significant changes during gene regulation, allowing for the selective expression of genes crucial for cell differentiation and function. During interphase, the active regions of chromatin, where genes are being expressed, exist as euchromatin. In contrast, regions where genes are not being transcribed are organized into heterochromatin. Epigenetics plays a role in the inheritance of these chromatin organization patterns during cell division, contributing to the differentiation of cells into various tissue types in an organism.