Most cases of<unk>  syndrome have an autosomal dominant inheritance pattern and have been associated with either one of eight genes all involved in the RAS/MAP kinase pathway. In order of prevalence, the causative mutations involve the following genes: PTPN11, SOS1, RAF1, SHOC2, KRAS, BRAF, NRAS, and CBL.
Noonan syndrome causes
Hurler syndrome causes
Cowden syndrome causes
Fanconi syndrome causes
Down syndrome causes
Sezary syndrome causes
Tuberous sclerosis causes
Adams-Stokes syndrome causes