PT 30 S4 Q10

Twelve healthy volunteers with the Apo-A-IV-1 gene and twelve healthy volunteers ... ...

Which one of the following is most strongly supported by the information above?
(A) Approximately half the population carries a gene that lowers cholesterol levels.
(B) ...
(C) ...
(D) ...
(E) ...

*This question is included in Practice Set: "Drawing Conclusions" Questions, Set 4 - Difficult/Uncommon Mix (25Q)