An 18-year-old male presents with a history of syncope
related to exercise. There is a family history of sudden cardiac death.
General examination does not reveal any abnormality,
his pulse rate is 70 beats per minutia regular, the carotid pulse is jerky,
there is a double apical pulsation. On auscultation there is a fourth heart
sound, an ejection systolic murmur heard at the base of the heart and a pan
systolic murmur heard at the apex.
The inheritance of this condition is: