Term Name:	dosage compensation by inactivation of X chromosome
Synonyms:	Barr body formation, chromosome inactivation, X chromosome inactivation
Definition:	Compensating for the two-fold variation in X-chromosome:autosome ratios between sexes by heterochromatin formation leading to a global inactivation of all, or most of, the genes on one of the X-chromosomes in the XX sex.
Ontology:	GO: Biological Process [GO:0009048]    QuickGO    AmiGO