Fig. 3
From: Comparing DNA quantity and quality using saliva collection following food and beverage consumption
Allelic discrimination plots for rs7192 and rs9275596. The “X” indicates a sample that did not amplify (Subject 5B). Red/bottom samples are homozygous for allele 1 (X-axis), green/central samples are heterozygous, and blue/left samples are homozygous for allele 2 (Y-axis)