X Chromosome Inactivation

A dosage compensation process occurring at an early embryonic stage in mammalian development whereby, at random, one X CHROMOSOME of the pair is repressed in the somatic cells of females.

Year introduced: 2006

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Tree Number(s): G05.308.203.249.970

MeSH Unique ID: D049951

Entry Terms:

• Chromosome Inactivation, X
• Inactivation, X Chromosome
• X-Inactivation
• X Inactivation
• Inactivation, X
• X Inactivations
• Lyonization
• Lyon Hypothesis
• Hypothesis, Lyon

Previous Indexing:

• Dosage Compensation, Genetic (1982-2005)
• X Chromosome (1983-2005)

All MeSH Categories
Phenomena and Processes Category
Genetic Phenomena
Gene Expression Regulation
Epigenesis, Genetic
Dosage Compensation, Genetic
X Chromosome Inactivation