Individuals who express HLA-B27 are 90 times more likely to develop the autoimmune disorder ankylosing spondylitis than individuals with a different HLA allele at this locus. Which of the following is the conclusion of the above statement? Select one: A. Autoimmune disorders must have genetic components. B. None of the choices given is true. C. HLA-B27 causes ankylosing spondylitis. D. Patients with ankylosing spondylitis express HLA-B27. E. Individuals with HLA-B27 will develop ankylosing spondylitis.

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A: The RBCs and the antibodies in the serum produce antigens. All human beings can be divided into four…

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A:

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A: Answer is A.) active transcription of RAG1 and RAG2.

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Q: a b

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A: Job's Syndrome

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Immune Disorders

The collaboration between the cells and proteins that work together as a defense system against infection comprises the immune system.Each of them performs a variety of tasks to recognize and/or react against a foreign body.