| Type | MGI:General | Description | at E12.5 and at birth, both upper and lower jaws are severely affected and appear as mirror-images of each other strikingly, whisker pads with vibrissal follicles are observed on both the upper and the lower jaws structures resembling palatine rugae (i.e. a series of ridges associated with the inner surfaces of palatal shelves) are found on the inner surface of both upper and lower jaws |
