Analysis Tools| Glossary Term | X Inactivation |
| Definition | The condensation of all but one of theX chromosomes of a mammal into aheterochromatic state, eliminatinggene expression from all but the active X chromosome. This process ensures that male and female mammals have the same level of gene activity of X-chromosome genes. |
Mouse Genome Database (MGD), Gene Expression Database (GXD), Mouse Models of Human Cancer database (MMHCdb) (formerly Mouse Tumor Biology (MTB)), Gene Ontology (GO) | ||
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