Muscular Dystrophy-Dystroglycanopathy , Type a, 12, also known as mddga12, is related to congenital muscular dystrophy-dystroglycanopathy type a12. An important gene associated with Muscular Dystrophy-Dystroglycanopathy , Type a, 12 is POMK (Protein O-Mannose Kinase). Affiliated tissues include eye and brain, and related phenotypes are seizure and agenesis of corpus callosum