Which of the following gene is associated with Alzheimer's disease ?
Alzheimer's disease is caused by mutation in :

APOE4 gene
Presenilin 1 : Chromosome 14
Presenilin 2 : Chromosome 1
APP4 ( Amyloid precursor protein - 4 ) : Chromosome 21
APOE1
APOE
APOE3
APOE4