hypercholesterlemia is a genetic diease that affects 1 out of 500 people worldwide. this is more that one genetic cause of the disease. Class 1 is described as an autosome dominant disease. those affected have cholesterol levels>250 as children and >300 as adults. homozygotes have cholesterol levelts of >600 as children and can have heart attacks. these individuals entirely lack a functional LDL receptor. which of the following would be the best description of its inheritance?