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: Anatomy
Which of the following is not true regarding metopic suture? 
Select and explain. 
A. It is present in all individuals, B. It is seen in norma verticalis, C. It separates frontal bones, D. It lies in median plane
A: It is present in all individuals
Answer: A: It is present in all individuals 
Explanation: Metopic suture. This is occasionally present in about 3 to 8% individuals. It lies in the median plane and separates the two halves of the frontal bone.