Figure 1: Electropherogram showing the found wild type homozygous “TT“ genotype and mutant heterozygous “TA” genotype of the variation rs201992645 [(NG_007386.2:g.66696T>A or NM_000021.3:c.868+37T>A) ss515119316] on the intron-8 of PSEN-1 gene.