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: Medicine
All of the following are features of Hyper-IgE syndrome, except: 
Select and explain. 
A. X-linked recessive inheritance, B. R/c infections of skin and lung, C. Hyperextensibility of joints, D. Facial dysmorphy
A: X-linked recessive inheritance
Answer: A: X-linked recessive inheritance 
Explanation: Hyper-IgE syndrome is autosomal dominant and is a complex disorder that combines skin infections, inflammation, and susceptibility to bacterial and fungal infections of skin and lungs, with characteristic syndromic signs such as facial dysmorphy, hyperextensibility, scoliosis, and osteoporosis. Elevated serum IgE levels are typical of hyper-IgE syndrome. Ref: Harrisons Principles of Internal Medicine, 18th Edition, Page 482.