Biochemistry A patient was diagnosed with isolated increase in LDL. His father and brother had the same disease with increased cholesterol. The likely diagnosis is A Familial type III hyperlipoproteinemia B Abetalipoproteinemia C Familial lipoprotein lipase deficiency (type I D LDL receptor mutation 💡 Explanation A patient was diagnosed with isolated increase in LDL. His father and brother had the same disease with increased cholesterol. The likely diagnosis is ✓ Correct Answer: D. LDL receptor mutation