Assume That the Concordance Values for a Particular Disease Are

Multiple Choice

Assume that the concordance values for a particular disease are 63% for monozygotic twins and 36% for dizygotic twins. Which of the following are TRUE? (Select all that apply.)

A) Environmental factors are important in susceptibility to this disease.
B) Genetic factors are important in susceptibility to the disease with monozygotic twins but not with dizygotic twins.
C) Genetic factors are not important in susceptibility to this disease.
D) Genetic factors are important in susceptibility to this disease.
E) Environmental factors are important in susceptibility to this disease with dizygotic twins but not with monozygotic twins.