Holoprosencephaly 12 with or Without Pancreatic Agenesis, is also known as holoprosencephaly 12, with or without pancreatic agenesis. An important gene associated with Holoprosencephaly 12 with or Without Pancreatic Agenesis is CNOT1 (CCR4-NOT Transcription Complex Subunit 1). Affiliated tissues include pancreas and brain, and related phenotypes are agenesis of corpus callosum and intrauterine growth retardation