This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: None, Subject name: Dental
Squaregonial jaw with gonial angle will leads to: 
Select and explain. 
A. Low mandibular plane angle, B. Increased mandibular plane angle, C. No change, D. Low or increased mandibular plane angle
A: Low mandibular plane angle
Answer: A: Low mandibular plane angle 
Explanation: In the horizontal growth pattern, there is a tendency for the mandible to rotate upward and forward. The lower anterior facial height is relatively short with a tendency for deep bite. 
Such persons have a squarish face, a low mandibular plane angle, well-developed jaw elevators, increased biting force, and broad dental arches.
Ref: Orthodontics: Diagnosis and Management of Malocclusion and Dentofacial Deformities THIRD EDITION
Om P. Kharbanda, pdf no 670