| A microdeletion occurring on the short (p) arm of chromosome 16 at a location designated p12.2. Common characteristics of this disease include developmental delay, delayed speech, intellectual disability, hypotonia, short stature, microcephaly, cardiac malformations, recurrent epilepsy, psychiatric and behavioral problems. Manifestations vary even among affected members of the same family. Inherited in an autosomal dominant pattern with incomplete penetrance, in almost all known cases the chromosomal change has been inherited from a parent |