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: Pediatrics
The commonest mode of inheritance of Von Willebrand's diasease – 
Select and explain. 
A. Codominant, B. Autosomal recessive, C. Autosomal dominant, D. X linked recessive
C: Autosomal dominant
Answer: C: Autosomal dominant 
Explanation: Von Willebrand disease 

Von Willibrand disease is of following types -

1)Type I (most common 70%) → Autosomal dominant, with reduced quantity of vWF.
2)Type II (25%) → Autosomal dominant, with qualitative defect of vWF.
3)Type II → Autosomal recessive, with reduced quantity of vWF.