The ApoE gene regulates the protein involved in the transport of cholesterol and other lipids through the blood. It has three common alleles: e2, e3, and e4, not four. The e4 allele is associated with an increased risk of Alzheimer's disease, not a reduction.

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The ApoE Gene

Question 89

Multiple Choice

The ApoE gene:

A) helps the body create antibodies to defend against beta-amyloid protein.
B) has four versions, or alleles-e1, e2, e3, and e4.
C) reduces an individual's genetic vulnerability to developing Alzheimer's disease.
D) regulates the protein which is involved in the transport of cholesterol through the blood.

Correct Answer: