A. SNP Oligonucleotide Microarray Analysis (SOMA) identifies the deletion in the long arm of chromosome 11. The deleted segment on chromosome 11 lies between marker SNP_A-2122040 at chr11: 123073531 and marker SNP_A-2246844 at chr11: 134449982, spanning an area of 11.37 Mb. B. Partial karyotype of chromosomes 11 of the proband. Arrow shows the deleted chromosome segment.