Alobar Holoprosencephaly is related to holoprosencephaly 1 and cleft palate, isolated. An important gene associated with Alobar Holoprosencephaly is PLCH1 (Phospholipase C Eta 1), and among its related pathways/superpathways are Nervous system development and Signal Transduction. Affiliated tissues include brain and olfactory bulb, and related phenotypes are failure to thrive and short stature