May be involved in sexual development. Expressed in brain and eye. From E3, expressed in the olfactory placode, forebrain, midbrain, and lenses. At later stages, expression in the lenses is no longer detectable but is found in the fore- and ventral mid-brain and in the mid-hind-brain boundary. At E5, expressed in olfactory epithelium and brain. Belongs to the DMRT family.