Figure 1

GenotypeColour™ whole genome visualisation. GenotypeColour™ visualisation of the whole genotype variability of two samples; one analyzed with the Affymetrix Human Mapping 250 K NspI array (A) and the other with the 6.0 array (B). In the magnified visualisation of a portion of the genotype variability of sample A, we can appreciate that the blob of colours of the main figure is the result of coloured squares each representing a single SNP. Red, green, blue and white have been assigned to the AA, BB, AB and No Call genotypes, respectively. In sample B, the "separate chromosomes option" is activated and the SNPs on the different chromosomes are separated by clear lines. The name of the chromosome is reported on the left-hand side of the window. To identify a SNP, its chromosome position, cytoband and position relative to flanking genes, it is sufficient to click on the corresponding square and all this information will be visualised at the bottom of the figure, as shown for SNP_A-2088877. Note that sample A and B correspond to male and female DNA, respectively.