There is evidence that one of every 311 people in the general population has a defective gene that interferes with the uptake of glucose into the cell, delays cholesterol removal from the bloodstream, and prevents some red blood cells from transporting oxygen. Which of the following options correctly describes the defective gene?
1) Interferes with the uptake of glucose into the cell
2) Delays cholesterol removal from the bloodstream
3) Prevents some red blood cells from transporting oxygen
4) All of the above