Diagnosis of Hereditary Hemochromatosis Cannot Be Based on the Results

Multiple Choice

Diagnosis of hereditary hemochromatosis cannot be based on the results of a genetic test alone because

A) the disease is non penetrant.
B) genetic tests are untrustworthy.
C) the disease is genetically heterogeneic.
D) the disease is not inherited.
E) the genotype changes as a person ages, especially in women.