Mutation in Marfan's syndrome involves?: (A) Collagen I, (B) Collagen IV, (C) Fibrillin I, (D) Fibrillin II
Answer is C. Ans. is 'c' i.e., Fibrillin IMarfan syndrome results from inherited defect in an extracellular glycoprotein fibrillin - 1 on chromosome - 15. It has autosomal dominant inheritance.