# X chromosome

> sex chromosome present in both sexes, of species in which the male is the heterogametic sex

**Wikidata**: [Q61333](https://www.wikidata.org/wiki/Q61333)  
**Wikipedia**: [English](https://en.wikipedia.org/wiki/X_chromosome)  
**Source**: https://4ort.xyz/entity/x-chromosome


## References

1. Gene Ontology release 2019-10-07
2. Foundational Model of Anatomy
3. Freebase Data Dumps. 2013
4. [OpenAlex](https://docs.openalex.org/download-snapshot/snapshot-data-format)