| Qualifier | sex |
| Definition | sex of the organism from which the sequence was obtained; sex is used for eukaryotic organisms that undergo meiosis and have sexually dimorphic gametes |
| Value Format | "text" |
| Example | /sex="female" /sex="male" /sex="hermaphrodite" /sex="unisexual" /sex="bisexual" /sex="asexual" /sex="monoecious" [or monecious] /sex="dioecious" [or diecious] |
| Comment | /sex should be used (instead of /mating_type) in the Metazoa, Embryophyta, Rhodophyta & Phaeophyceae; /mating_type should be used (instead of /sex) in the Bacteria, Archaea & Fungi; neither /sex nor /mating_type should be used in the viruses; outside of the taxa listed above, /mating_type should be used unless the value of the qualifier is taken from the vocabulary given in the examples above |