XXXX syndrome

XXXX syndrome: A rare chromosomal disorder that affects females only, caused by the presence of four X chromosomes rather than the normal two. It is characterized by mild to severe mental retardation in most cases, sometimes by physical abnormalities, facial features similar to those seen in Down syndrome, and sterility. Also known as poly-X syndrome.

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48, XXXX — Infobox Disease Name = XXXX syndrome Caption = DiseasesDB = 32550 ICD10 = ICD10|Q|97|1|q|90 ICD9 = ICDO = OMIM = MedlinePlus = eMedicineSubj = eMedicineTopic = MeshID = XXXX syndrome (also called tetrasomy X, quadruple X, or 48, XXXX) is a rare… … Wikipedia
Triple X syndrome — Classification and external resources ICD 10 Q97.0 DiseasesDB 13386 Triple X syndrome is a form of … Wikipedia
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XYY syndrome — Not to be confused with XXY (2 X s, Klinefelter s syndrome). XYY syndrome Classification and external resources Y chromosome ICD 10 Q … Wikipedia
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Chromosome 5q deletion syndrome — Classification and external resources Photomicrograph of bone marrow showing abnormal mononuclear megakaryocytes typical of 5q syndrome ICD O: M … Wikipedia
Smith–Magenis syndrome — Classification and external resources ICD 9 758.33 OMIM 182290 DiseasesDB … Wikipedia

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