A 20-year-old man comes to the physician's office for a scheduled health maintenance examination. His father died of a myocardial infarction at age 55 years. Physical examination shows a tendon xanthoma on the elbow. His serum total cholesterol concentration is 360 mg/dL. A mutation is most likely to be found in which of the following genes?
(A) apoA2
(B) apoC2
(C) apoε4
(D) LDL receptor
(E) VLDL receptor
(A) apoA2
(B) apoC2
(C) apoε4
(D) LDL receptor
(E) VLDL receptor