Alzheimer's disease (AD) often has a complex genetic architecture. Until late 2013, only 10 genes had consistently been implicated as risk genes for AD:
source alzgene.org []
The above table tends to order the SNPs by size of Odds ratios
Also SNPs in other genes with large effect have been discovered:
Many genes have recently been linked to Alzheimer's in a large study called the International Genomics of Alzheimer's Project (IGAP).
(b) These are newly confirmed AD genes in IGAP.
TREML2 and TRIP4 have now been confirmed AD SNPs.
(d) These are suggestive AD genes from IGAP that are yet to be confirmed.