XYY syndrome, also known as Jacobs syndrome, is an aneuploid genetic condition in which a male has an extra Y chromosome. There are usually few symptoms...

S2CID 25133531. Abramsky L, Chapple J (April 1997). "47,XXY (Klinefelter syndrome) and 47,XYY: estimated rates of and indication for postnatal diagnosis...

cases. The presentation of the syndrome is heterogeneous, but appears to be more severe than its counterpart XYY syndrome. Common traits include borderline...

in the cohort composition of Turner syndrome and severe non-diagnosis of Klinefelter, 47,XXX and 47,XYY syndrome: a nationwide cohort study". Orphanet...

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

stature in Turner syndrome and its counterpoint, tall stature in sex chromosome polysomy conditions such as Klinefelter syndrome, XYY syndrome, and trisomy...

Tetrasomy X and Pentasomy X". Living with Klinefelter Syndrome (47,XXY) Trisomy X (47, XXX) and 47, XYY: A Guide for Families and Individuals Affected by...

as Triple X syndrome and trisomy X 47, XXY, also known as Klinefelter syndrome 47, XYY, also known as Jacobs syndrome 48, XXXX, also known as tetrasomy...

PMID 4838894. S2CID 5403553. Re, Laura; Birkhoff, Jutta M (2015). "The 47,XYY syndrome, 50 years of certainties and doubts: A systematic review". Aggression...

in the US. Key findings include: Down syndrome was the most common condition with an estimated prevalence of 14.47 per 10,000 live births, implying about...

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...

include chromosomal disorders such as Down syndrome, Klinefelter syndrome, XYY syndrome and fragile X syndrome. Acquired causes of tics include drug-induced...

Tetrasomy X and Pentasomy X". Living with Klinefelter Syndrome (47,XXY) Trisomy X (47, XXX) and 47, XYY: A Guide for Families and Individuals Affected by...

include: · 45,X (Turner syndrome): · 47,XXX (Triple X syndrome; Trisomy X) · 47,XXY (Klinefelter syndrome) · 47,XYY (Jacob syndrome) · 48,XXXY · 48,XXYY...

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

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 and may cause...

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

48,XXYY; 49,XXXXY), mosaicism (46,XY/47,XXY), or structural chromosome abnormalities. The incidence of XYY syndrome is approximately 1 in 800–1000 male...

Klinefelter syndrome, as Harry Klinefelter had already diagnosed the symptoms in 1942. Despite her work being on XXY syndrome, the XYY syndrome is instead...

needed] 47, XYY syndrome (simply known as XYY syndrome) is caused by the presence of a single extra copy of the Y chromosome in each of a male's cells. 47, XYY...

XXXYY syndrome (49,XXXYY) XXXXY syndrome (49,XXXXY) Trisomy X (47,XXX) Tetrasomy X (48,XXXX) Pentasomy X (49,XXXXX) XYY syndrome (47,XYY) XYYY syndrome (48...

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 and pentasomy X syndrome affect a small number of girls worldwide, while boys may be affected by 49, XXXXY, or 49, XYYYY. 47, XYY is not associated...

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...

Helmet" facial features, and mild to profound mental health problems. XYY syndrome. XYY boys are usually taller than their siblings. Like XXY boys and XXX...

include chromosomal disorders such as Down syndrome, Klinefelter syndrome, XYY syndrome, and fragile X syndrome. Acquired causes of tics include drug-induced...

that included LOCAH, Klinefelter syndrome (47,XXY), Turner syndrome (45,X), the chromosomal variants of 47,XYY and 47,XXX, and vaginal agenesis. Sax reasons...

(XXX) syndrome XYY syndrome Pallister–Killian syndrome Wolf–Hirschhorn syndrome Cri-du-chat syndrome WAGR syndrome DiGeorge syndrome Fragile X syndrome -...

sex chromosome combinations are compatible with live birth including XXX, XYY, and XXXX. The ability for mammals to tolerate aneuploidies in the sex chromosomes...