Author: mimus
Date: Sep 4, 2008 12:53
... intellectual and developmental delay, sleep disturbance, seizures, jerky movements especially hand-flapping, frequent laughter or smiling, and usually a happy demeanour. AS is a classic example of genetic imprinting in that it is usually caused by deletion or inactivation of genes on the maternally inherited chromosome 15 . . . . "AS is named after a British pediatrician,...
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