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
This condition is associated with: 
Select and explain. 
A. Osteopetrosis, B. Marfan syndrome, C. Osteogenesis imperfecta, D. All of the above
D: All of the above
Answer: D: All of the above 
Explanation: Osteogenesis imperfecta is a hereditary autosomal dominant disorder. Pale blue sclera is one of the characteristic features of osteogenesis imperfecta. Blue sclera are also seen in osteopetrosis, fetal rickets, marfan's syndrome, and Ehlers - Danlos syndrome.