XXYY syndrome is a sex chromosome anomaly in which males have two extra chromosomes, one X and one Y chromosome. Human cells usually contain two sex chromosomes...

others. Those with XXXY syndrome tend to display less externalizing and internalizing behaviors compared to those with 48,XXYY syndrome, which may have a positive...

problems are typical. One study looked at males that were diagnosed with 48,XXYY, 48,XXXY and 49,XXXXY. They found that males with 48,XXXY and 49,XXXXY function...

chromosome anomalies Klinefelter syndrome XXYY syndrome XYYY syndrome XYYYY syndrome Turner syndrome Trisomy X "47,XYY syndrome". Genetics Home Reference. January...

Down syndrome or Down's syndrome, also known as trisomy 21, is a genetic disorder caused by the presence of all or part of a third copy of chromosome...

Turner syndrome (TS), commonly known as 45,X, or 45,XO, is a chromosomal disorder in which cells have only one X chromosome or are partially missing an...

gametes. XXXYY syndrome, by its nature, requires multiple steps of nondisjunction. Possible causes include fertilization of a normal egg by an XXYY sperm, fertilization...

discovered, being preceded by Turner, Klinefelter, and trisomy X in 1959, XXYY syndrome in 1960, and XYY and tetrasomy X in 1961. By the time of Linden, Bender...

XXXY syndrome XXYY syndrome XY gonadal dysgenesis XYY syndrome Yellow nail syndrome Yemenite deaf-blind hypopigmentation syndrome Yentl syndrome Yim–Ebbin...

known as seasonal mood swings. XXYY syndrome: XXYY syndrome is a rare type of sex chromosome aneuploidies (SCAs). XXYY syndrome contributes to abnormal neurodevelopment...

Intersex Taurodontism Trisomy X Turner syndrome XYY syndrome XXYY syndrome "What are common symptoms of Klinefelter syndrome (KS)?". Eunice Kennedy Shriver National...

Lange syndrome Orofaciodigital syndrome 1 13q deletion syndrome XXYY syndrome Silver–Russell syndrome Andersen-Tawil syndrome Noonan syndrome Ehlers–Danlos...

Turner's syndrome - a single X chromosome is present, Klinefelter's syndrome - two X chromosomes and a Y chromosome are present, XYY syndrome and XXYY syndrome...

RV, Turner S, Ledbetter DH, Martin CL (1993). "17q12 Recurrent Deletion Syndrome". In Adam MP, Ardinger HH, Pagon RA, Wallace SE, Bean LJ, Stephens K, Amemiya...

as limb anomalies, syndromes involving multiple systems, and Down syndrome. Recent studies have concluded that 5-9% of Down syndrome cases are due to paternal...

D'Epagnier C, Zeitler P (June 2011). "48,XXYY, 48,XXXY and 49,XXXXY syndromes: not just variants of Klinefelter syndrome". Acta Paediatrica. 100 (6): 851–860...

X syndrome 47, XXY, also known as Klinefelter syndrome 47, XYY, also known as Jacobs syndrome 48, XXXX, also known as tetrasomy X 48, XXXY 48, XXYY 48...

is present Pallister-Killian syndrome (tetrasomy 12p) Tetrasomy 9p Tetrasomy 18p Tetrasomy 21, a rare form of Down syndrome Tetrasomy X XXYY syndrome...

only one chromosome) except in cases of aneuploidy such as XYY syndrome or XXYY syndrome. Traits that are inherited via the Y chromosome are called Y-linked...

risk of miscarriage, including diabetes, endometriosis, polycystic ovary syndrome (PCOS), hypothyroidism, certain infectious diseases, and autoimmune diseases...

Fryns-Aftimos syndrome (also known as Baraitser-Winter syndrome 1, or BWS1) is a rare chromosomal condition and is associated with pachygyria, severe...

rare (NIH) 47, XXY syndrome 47, XYY syndrome 47, XXX syndrome 48, XXXX syndrome 48, XXYY syndrome 49, XXXXX syndrome 49, XXXXY syndrome 5 alpha reductase...

other X polysomies (48,XXXX, 48,XXXY, 48,XXYY) is more rare than 49,XXXXY. Polysomy Y (47,XYY; 48,XYYY; 48,XXYY; 49,XXYYY) occurs in 1 out of 975 males...

D'Epagnier C, Zeitler P (June 2011). "48,XXYY, 48,XXXY and 49,XXXXY syndromes: not just variants of Klinefelter syndrome". Acta Paediatrica. 100 (6): 851–860...

Klinefelter syndrome is in general in the normal range, although below average. When additional X and/or Y chromosomes are present in 48,XXXY, 48,XXYY, or 49...

chromosomes (48,XXXY; 48,XXYY; 49,XXXXY), mosaicism (46,XY/47,XXY), or structural chromosome abnormalities. The incidence of XYY syndrome is approximately 1...

Monosomies Turner syndrome (45,X) Trisomies/tetrasomies, other karyotypes/mosaics Klinefelter syndrome (47,XXY) XXYY syndrome (48,XXYY) XXXY syndrome (48,XXXY)...

rejection Autoimmune disorder Coeliac disease Lupus Antiphospholipid antibody syndrome Anti-thyroid autoantibodies Placenta abnormality Previous miscarriage Eating...

found in Down syndrome, affecting 1 in 800 births. Trisomy 18 (Edwards syndrome) affects 1 in 6,000 births, and trisomy 13 (Patau syndrome) affects 1 in...

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