DiGeorge syndrome is caused by a heterozygous deletion of part of the long arm (q) of chromosome 22, region 1, band 1, sub-band 2 (22q11.2).
Sindrom DiGeorge disebabkan oleh delesi heterozigot bagian lengan panjang (q) dari kromosom 22, wilayah 1, pita 1, sub-pita 2 (22q11.2).