Fig. 1From: MLPA as a genetic assay for the prenatal diagnosis of common aneuploidy: the first Egyptian experienceRatio charts of the MLPA results for some AF samples using SALSA MLPA Probemix P095 aneuploidy. Probe ratios of < 0.7 (red line) or > 1.3 (blue line) are usually regarded as indicative of a deletion or duplication, respectively. a XX sample with no trisomy for 13, 18, and 21; b XY sample with no trisomy for 13, 18, and 21; c XY sample having trisomy 18; d XY sample having trisomy 18q; e XY sample having trisomy 21Back to article page