<unk>  is a rare genetic disease caused by the deletion of some or all of the large arm of human chromosome 13. It causes intellectual disability and congenital malformations that affect a variety of organ systems.
13q deletion syndrome
9q34 deletion syndrome
22q11.2 deletion syndrome
Bardet-Biedl syndrome
Prader-Willi syndrome
Apert syndrome
Smith-Magenis syndrome
Saethre-Chotzen syndrome