49,XXXXY syndrome is an extremely rare aneuploidic sex chromosomal abnormality. It occurs in approximately 1 out of 85,000 to 100,000 males. This syndrome...

family. Sex chromosome anomalies Klinefelter syndrome 48,XXXX 48,XXYY 49,XXXXY syndrome "XXXY syndrome". The Genetic and Rare Diseases Information Center...

condition may be as frequent as 1 in 85,000, as observed in the related 49,XXXXY syndrome. Fewer than thirty cases of the disorder have been reported in the medical...

Down syndrome (United States) or Down's syndrome (United Kingdom and other English-speaking nations), also known as trisomy 21, is a genetic disorder...

aneuploidies, such as tetrasomy X, pentasomy X, XYYY syndrome, XYYYY syndrome, and XXXXY syndrome, are survivable with relatively mild phenotypes due to...

Turner syndrome (TS), also known as 45,X, or 45,X0, is a genetic disorder in which a person's cells have only one X chromosome or are partially missing...

Zeitler P (June 2011). "48,XXYY, 48,XXXY and 49,XXXXY syndromes: not just variants of Klinefelter syndrome". Acta Paediatrica. 100 (6): 851–860. doi:10.1111/j...

chromosomes present in the karyotype. For example, patients with 49 chromosomes (XXXXY) have a lower IQ and more severe physical manifestations than those with...

syndrome): · 47,XXX (Triple X syndrome; Trisomy X) · 47,XXY (Klinefelter syndrome) · 47,XYY (Jacob syndrome) · 48,XXXY · 48,XXYY · 48,XXXX · 49,XXXXY...

Zeitler P (June 2011). "48,XXYY, 48,XXXY and 49,XXXXY syndromes: not just variants of Klinefelter syndrome". Acta Paediatrica. 100 (6): 851–860. doi:10.1111/j...