A<unk>  (or<unk> opathy) is a genetic disorder of one of the<unk>  genes.
An example is monilethrix.
The first to be identified was epidermolysis bullosa simplex.
Examples include:
Keratin disease
Aguecheek disease
Bowen's disease
Haff disease
Dent's disease
Bowen’s disease
Sweat gland disease
Becker's nevus