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Chromosomal Position Effects MeSH Descriptor Data 2026


MeSH Heading
Chromosomal Position Effects
Tree Number(s)
G05.308.203.124
Unique ID
D055012
RDF Unique Identifier
http://id.nlm.nih.gov/mesh/D055012
Scope Note
The effects on gene expression that depend on the location of a gene with respect to its neighboring genes and region of chromosome. Stable position effects are sequence dependent. Variegated position effects depend on whether the gene is located in or adjacent to HETEROCHROMATIN or EUCHROMATIN.
Entry Term(s)
Chromosomal Position Effect
Position Effect Variegation
Public MeSH Note
2009
History Note
2009
Date Introduced
2009/01/01
Last Updated
2016/01/15
Chromosomal Position Effects Preferred
Position Effect Variegation Narrower
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