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: Pathology
Glanzmann thrombasthenia is- 
Select and explain. 
A. Autosomal dominant disorder, B. Autosomal recessive disorder, C. None, D. Both
B: Autosomal recessive disorder
Answer: B: Autosomal recessive disorder 
Explanation: Glanzmann thrombasthenia is an autosomal recessive disorder.