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
Study the following carefully -Read the pedigree. Inheritance pattern of the disease in the family is - 
Select and explain. 
A. Autosomal recessive type, B. Autosomal dominant type, C. X-Linked dominant type, D. X-linked recessive type
D: X-linked recessive type
Answer: D: X-linked recessive type 
Explanation: None