<prompt> Which of the following is seen in Marfans syndromeCaused by mutation of fibrillin - 1 geneFlat cornea seenAortic aneurysm occursAll of the above  <response>: Clinical features of Marfans syndrome:Reduced US : LS ratio Arm spanArachnodactylyAortic aneurysmMitral valve prolapseSupero - temporal dislocation of lensFlat cornea. 