# heterogametic sex

> sex of a species in which the sex chromosomes are not the same; e.g. human males (with XY chromosomes); bird females (with ZW chromosomes)

**Wikidata**: [Q5747181](https://www.wikidata.org/wiki/Q5747181)  
**Wikipedia**: [English](https://en.wikipedia.org/wiki/Heterogametic_sex)  
**Source**: https://4ort.xyz/entity/heterogametic-sex


## References

1. Freebase Data Dumps. 2013
2. [OpenAlex](https://docs.openalex.org/download-snapshot/snapshot-data-format)