<unk>  is a rare genetic disorder caused by a<unk>  of a region from human chromosome 8. This<unk><unk>  has an estimated prevalence of 1 in 64,000 births and is the reciprocal of the<unk> .1 deletion<unk> . The<unk> .1<unk>  is associated with a variable phenotype including one or more of speech delay, developmental delay, mild dysmorphism, with prominent forehead and arched eyebrows, and congenital heart disease (CHD).
8p23.1 duplication syndrome
22q11.2 duplication syndrome
13q deletion syndrome
2q37 deletion syndrome
22q13 deletion syndrome
22q11.2 distal deletion syndrome
1q21.1 deletion syndrome
7q11.23 duplication syndrome