<unk>  is a disorder caused by the deletion of a small piece of chromosome 2 in which one or more of 3 sub-bands,<unk> .1,<unk> .2, and<unk> .3, of the last band of one of the chromosome 2’s long arms are deleted. The first report of this disorder was in 1989.
2q37 deletion syndrome
13q deletion syndrome
22q13 deletion syndrome
9q34 deletion syndrome
22q11.2 distal deletion syndrome
1q21.1 deletion syndrome
1p36 deletion syndrome
22q11.2 duplication syndrome