Biochemistry A person is diagnosed to have familial type IIa hyperlipoproteinemia. What is the basic defect in this type of hyperlipoproteinemia? A Lipoprotein lipase deficiency B Defective LDL receptor C Abnormal activity of Apo E D Overproduction of LDL 💡 Explanation A person is diagnosed to have familial type IIa hyperlipoproteinemia. What is the basic defect in this type of hyperlipoproteinemia? ✓ Correct Answer: B. Defective LDL receptor