NCIt definition : Human DHH wild-type allele is located in the vicinity of 12q13.12 and is approximately
5 kb in length. This allele, which encodes desert hedgehog protein, is involved in
the regulation of both male gonadal differentiation and perineurial development. Mutations
in this gene are associated with both 46XY partial gonadal dysgenesis, with minifascicular
neuropathy, and 46XY sex reversal 7.;