This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: General pathology, Subject name: Pathology
[{'content': 'Which of the following is an X-linked Recessive disorder? \nSelect and explain. \nA. Hemophilia A, B. Sickle cell anemia, C. Thalassemias, D. von Willebrand disease', 'role': 'user'}, {'content': 'Answer: A \nExplanation: DisorderMendelian disorderHemophilia AX-Linked RecessiveSickle cell anemiaAutosomal RecessiveThalassemiasAutosomal Recessivevon Willebrand diseaseAutosomal DominantRef: Robbins and Cotran Pathologic Basis of Disease; 9th edition; Chapter 5; Genetic Disorders; Page no: 142', 'role': 'assistant'}]