W1q21.1 copy number variations
W1p36 deletion syndrome
W2p15-16.1 microdeletion syndrome
W3q29 microdeletion syndrome
W18p-
WDiGeorge syndrome
W22q11.2 distal deletion syndrome
W22q13 deletion syndrome
WAngelman syndrome
WChromosomal deletion syndrome
WChromosome 5q deletion syndrome
WCri du chat syndrome
WDistal 18q-
WJacobsen syndrome
WMiller–Dieker syndrome
WPrader–Willi syndrome
WWilliams syndrome
WWolf–Hirschhorn syndrome