Figure 1.

MLPA electropherograms showing the peaks from the probes set used in the analysis of the chromosome 22q11.2 duplication syndrome. Specific probes for the chromosome 22q11.2 region (HIRA, TBX-1, COMT and ZDHHC8) are indicated with arrows. A: A 22q11.2 microdeletion trace. B: A normal sample trace. C: A 22q11.2 microduplication trace.