Search Ontology:
GO: Biological Process

dosage compensation by hyperactivation of X chromosome

Term ID
GO:0009047
Synonyms
Definition
Compensating for the two-fold variation in X-chromosome:autosome ratios between sexes by a global hyperactivation of all, or most of, the genes on the X-chromosome in the heterogametic sex, leading to a two-fold increase in gene expression from this chromosome. An example of this is found in Drosophila melanogaster. (2)
References
Ontology
GO: Biological Process    QuickGO    AmiGO
Relationships
is a type of
Phenotype
Phenotype caused by Genes
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