5α-reductase deficiency

https://doi.org/10.1351/goldbook.11170
Condition caused by a mutation of the $\ce{5\upalpha\!\mbox{-}reductase}$ type II gene, with autosomal recessive inheritance.
Source:
PAC, 2016, 88, 713. (Glossary of terms used in developmental and reproductive toxicology (IUPAC Recommendations 2016)) on page 799 [Terms] [Paper]