This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Genetic and genetic disorders, Subject name: Pediatrics
Which of the following is X-linked recessive disorder? 
Select and explain. 
A. Wiskott-Aldrich Syndrome, B. Rett Syndrome, C. Thalassemia, D. Alkaptonuria
A: Wiskott-Aldrich Syndrome
Answer: A: Wiskott-Aldrich Syndrome 
Explanation: X-Linked Recessive Disorders: G6PD deficiency Duchenne Muscular dystrophy Colour blindness Fabry disease Chronic granulomatous disease Haemophilia A and B, Hunter disease Agammaglobulinemia Wiskott-Aldrich syndrome Albinism Lesch Nyhan Syndrome Ref: Nelson textbook of Pediatrics 21st edition Pgno: 645