In affected individuals, however, X-inactivation is incomplete and the dosage of these non-silenced genes will differ as they escape X-inactivation, similar to an autosomal aneuploidy.
Porén, en individuos afectados, a inactivación X é incompleta e a dose destes xenes non silenciados diferirá, xa que escapan da inactivación do X, o que é similar a unha aneuploidía autosómica.