Heterochromatin: Difference between revisions

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Heterochromatin, one of two [[chromatin|chromatin]] types derived from a [[chromosome|chromosome]] acts as to ensure repression of gene [[Transcription|transcription]] or silencing.  
Heterochromatin, one of two [[Chromatin|chromatin]] types derived from a [[Chromosome|chromosome]] acts as to ensure repression of gene [[Transcription|transcription]] or silencing.  


A notable example is that of [[X_chromosome|X-chromosome]] inactivation in females.
A notable example is that of [[X chromosome|X-chromosome]] inactivation in females where the heterochromatin takes the form of a structure known as a Barr body. X chromosome inactivation is due to Xist and not Tsix being transcribed.

Revision as of 14:16, 19 October 2015

Heterochromatin, one of two chromatin types derived from a chromosome acts as to ensure repression of gene transcription or silencing.

A notable example is that of X-chromosome inactivation in females where the heterochromatin takes the form of a structure known as a Barr body. X chromosome inactivation is due to Xist and not Tsix being transcribed.