XXXXY SYNDROME

an uncommon chromosomal disorder wherein a male is genetically predisposed to and given three extra X chromosomes resulting in a multitude of abnormalities, inclusive of unusually small genitalia, a small, wide neck, and hypotonia. Most impacted people have cognitive retardation, with IQ's less than 60.

XXXXY SYNDROME: "Males with XXXXY syndrome usually have small, thick necks. "
Cite this page: N., Pam M.S., "XXXXY SYNDROME," in PsychologyDictionary.org, April 29, 2013, https://psychologydictionary.org/xxxxy-syndrome/ (accessed October 26, 2020).
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