[A] More centrally located in Iris
[B] Fewer in number
[C] Less well defined
[D] Found in individuals without Down syndrome
[A] More centrally located in Iris
[A] Tetralogy of Fallot
[B] Mitral Valve Prolapse
[C] HOCM
[D] Pericardial Tamponade
[C] HOCM