- Noonan syndrome 11 [DOID:0112169]
A Noonan syndrome characterized by clinical characteristics of Noonan syndrome, varying impairment of intellectual development, and cardiac hypertrophy that has_material_basis_in heterozygous mutation in the MRAS gene on chromosome 3q22.3.
- Noonan syndrome 12 [DOID:0112170]
A Noonan syndrome characterized by macrocephaly, facial anomalies including hypertelorism, downslanting palpebral fissures, and low-set ears, and other Noonan syndrome features that has_material_basis_in heterozygous mutation in the RRAS2 gene on chromosome 11p15.2.