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
The following are sex linked inherited disease -a) G6PD deficiencyb) Hypogamma globulinemiac) Downs syndromed) Diamond blackfan diseasee) Hemophilia 
Select and explain. 
A. a, B. ae, C. ab, D. ad
B: ae
Answer: B: ae 
Explanation: None