A20 yr old female presents to the dermatologist with complaints of multiple small to large soft asymptomatic yellow color nodular lesions all over the body since age of two years. she was subsequently referred for bio chemical investigations, where an altered lipid profile was noticed. a detail history from the parents revealed that the patient developed the swelling since the age of two years which gradually increased to the present size. at the age of three years the patient was treated by a local doctor but the symptoms did not subside. there’s no history of chest pain breathlessness hypertension diabetes or any other illness. family history on the maternal side shows history of sudden deaths at a young age, 36-44 years, her uncle and three cousins have died at an early age due to possible myocardial infarction below is her lipid profile total cholesterol (mg/dl) 580 triglycerides (mg/dl) 134 ldl (mg/dl) 460 hdl (mg/dl) 93 vldl (mg/dl) 27 ldl/hdl ratio 4.94
describe a potential underlying mechanism for the elevated cholesterol levels found in this individual, also, describe how triglyceride levels would be normal but cholesterol levels could be elevated in this individual.