Figure 1 - Diploid copy numbers, corresponding CNV genotypes and the underlying quantitative data from an array CGH experiment.
From the following article
The population genetics of structural variation
Donald F Conrad & Matthew E Hurles
3939, S30 - S36 (2007) Published online: 27 June 2007
doi:10.1038/ng2042

Top, biallelic CNV; bottom, multiallelic CNV (data from ref. 11). Note that there is not a 1:1 mapping of diploid copy numbers to CNV genotypes for the multiallelic CNV.
