Through Genetic Testing, a Patient Learns That He Has an Apolipoprotein

Through genetic testing, a patient learns that he has an apolipoprotein E2 gene. Which of the following does this information suggest to the nurse?

A) The patient is at reduced risk for developing Alzheimer's disease.
B) The patient is at increased risk for developing Alzheimer's disease.
C) The patient is at risk for contracting malaria.
D) The patient is at risk for developing colon-rectal cancer.