• and other cells have one X chromosome and two Y chromosomes (47,XYY). (medlineplus.gov)
  • There are 47 chromosomes, instead of the usual 46, giving a 47,XYY karyotype. (wikipedia.org)
  • How many chromosomes are present in a karyotype? (bizzieme.com)
  • How many chromosomes are there in a karyotype? (bizzieme.com)
  • The picture of all 46 chromosomes in their pairs is called a karyotype. (bizzieme.com)
  • How many chromosomes are in the female karyotype? (bizzieme.com)
  • Girls and women usually have two X chromosomes (karyotype 46, XX), while boys and men usually have one X chromosome and one Y chromosome (46, XY karyotype). (bizzieme.com)
  • What are the chromosomes in the karyotype? (bizzieme.com)
  • A karyotype is simply a picture of a person's chromosomes. (bizzieme.com)
  • Abnormal karyotype test results may mean that you or your child has abnormal chromosomes. (bizzieme.com)
  • Why do we need a karyotype of chromosomes? (bizzieme.com)
  • Examination of chromosomes by karyotyping allows your doctor to determine if there are any structural abnormalities or problems within the chromosomes. (bizzieme.com)
  • The karyotype is the set of individual chromosomes. (bizzieme.com)
  • Karyotyping is used to look for abnormal numbers or structures of chromosomes. (bizzieme.com)
  • Males with XYY syndrome have 47 chromosomes due to the extra Y chromosome. (bizzieme.com)
  • Males with XYY syndrome have 47 chromosomes because of the extra Y chromosome. (wise-answer.com)
  • The term karyotype refers to the number and type of chromosomes present in an individual, and karyogram is now often used to designate the printed display of chromosomes. (basicmedicalkey.com)
  • A karyotype, or karyogram, is a display of chromosomes ordered according to length. (basicmedicalkey.com)
  • Chromosome abnormalities may be detected or confirmed by comparing an individual's karyotype , or full set of chromosomes, to a typical karyotype for the species via genetic testing . (wikipedia.org)
  • A human karyotype reveals the entire gang of human chromosomes. (tbteam.it)
  • During the an effective karyotype, there are twenty-two pairs out-of autosomes or low-sex chromosomes and something collection of gender chromosomes. (tbteam.it)
  • Her physician orders a routine karyotype that shows 46 chromosomes with extra material on one homolog of the chromosome 5 pair. (medquizzes.net)
  • The karyotype, i.e. the chromosomal makeup of the baby, is then 69-XXX or 69-XXY. (practicalmommy.com)
  • Fluorescence in situ hybridization (FISH) and chromosomal karyotyping were carried out for such children. (bvsalud.org)
  • The eponym Down syndrome summarizes a clinical description of certain distinctive, if variable, phenotypic features whereas the karyotype describes the chromosomal constitution of the cells and tissues studied. (aao.org)
  • A chromosomal karyotyping revealed a 47, XXY, confirming the diagnosis of KS. (prelekara.sk)
  • In this context forensic psychiatrists were required to express opinions about a young Italian man afflicted by 47,XYY karyotype (Jacobs' Syndrome) and Borderline Personality Disorder who had frequent violent behaviors against his relatives, being therefore accused of "abuse against family members or partners" (art. (omicsonline.org)
  • In particular, the XYY chromosome abnormality, also called Jacobs' Syndrome, was deeply studied because many researchers in the last fifty years have tried to find a link between this syndrome and violent and/or dysfunctional behavior. (omicsonline.org)
  • 47,XYY syndrome is characterized by an extra copy of the Y chromosome in each of an individual's cells. (medlineplus.gov)
  • Most individuals with 47,XYY syndrome have normal production of the male sex hormone testosterone and normal male sexual development, and they are usually able to father children. (medlineplus.gov)
  • 47,XYY syndrome is associated with an increased risk of learning disabilities and delayed development of speech and language skills. (medlineplus.gov)
  • Individuals with 47,XYY syndrome have an increased risk of behavioral, social, and emotional difficulties compared with their unaffected peers. (medlineplus.gov)
  • Five to 10 children with 47,XYY syndrome are born in the United States each day. (medlineplus.gov)
  • Some people with 47,XYY syndrome have an extra Y chromosome in only some of their cells. (medlineplus.gov)
  • 47,XYY syndrome is not inherited. (medlineplus.gov)
  • 47,XYY syndrome: clinical phenotype and timing of ascertainment. (medlineplus.gov)
  • The XYY syndrome: a follow-up study on 38 boys. (medlineplus.gov)
  • XYY syndrome, also known as Jacobs syndrome, is an aneuploid genetic condition in which a male has an extra Y chromosome. (wikipedia.org)
  • In contrast to the other common sex chromosome aneuploidies-47,XXX and 47,XXY (Klinefelter syndrome)-the average of the IQ scores of 47,XYY boys identified by newborn screening programs was not reduced compared to the general population. (wikipedia.org)
  • According to certain psychological studies, people with XYY syndrome may have problems with impulse control and emotional regulation. (wikipedia.org)
  • Increased testosterone levels were found to be correlated with an increased risk of aggressive behavior in incarcerated males with 47,XYY syndrome. (wikipedia.org)
  • 47,XYY syndrome (XYY) is a male sex chromosome disorder where subjects have one X chromosome and two copies of the Y chromosome. (nih.gov)
  • Given the male preponderance in the prevalence of ASD, the unique presence of the Y chromosome in males leads to the intriguing possibility of investigating boys with XYY syndrome as a model of excess Y-chromosome genes. (nih.gov)
  • In this study, we investigated the associations of genotype and clinical phenotype with levels of GABA, estimated by regionally localized edited magnetic resonance spectroscopy in boys with 47, XYY syndrome compared to age-matched typically developing (XY) peers. (nih.gov)
  • Washington's height, sterility, large hands, pockmarks, plus certain personality features and even his dental problems have led to the suggestion he had a syndrome associated with an XYY chromosome karyotype 4b . (doctorzebra.com)
  • A geneticist concludes, however, 'although there does seem to be a strong case that George Washington was affected with XYY syndrome, the evidence is just not conclusive' 4a . (doctorzebra.com)
  • There are also speculations 5 -- dismissed by some 6 -- that Washington had Klinefelter syndrome, which is associated with an XXY karyotype. (doctorzebra.com)
  • XYY Syndrome A condition caused by the presence of an extra Y chromosome resulting in 47,XYY karyotype in an individual with male phenotype. (nih.gov)
  • This condition is sometimes called Jacob syndrome, XYY karyotype, or YY syndrome. (bizzieme.com)
  • According to the National Institutes of Health, XYY syndrome occurs in 1 in 1,000 boys. (bizzieme.com)
  • This condition is also sometimes called Jacob's syndrome, XYY karyotype, or YY syndrome. (wise-answer.com)
  • Double Y syndrome or 47, XYY syndrome has an incidence of approximately 1:1,000 in male newborns. (medicover-genetics.com)
  • There were 327 cases (77.30%) with Turner syndrome and a 45,X karyotype or its mosaicism. (bvsalud.org)
  • Sixty-two children (14.66%) had a 47,XXY karyotype or its mosaicism, and showed characteristics of Klinefelter syndrome (KS) including cryptorchidism, buried penis and hypospadia. (bvsalud.org)
  • The remainder 15 cases (3.55%) included 9 children with a XYY karyotype or mosaicisms, with main clinical manifestations including cryptorchidisms and hypospadia, 4 children with a 47,XXX karyotype and clinical manifestations including short stature and labial adhesion, 1 child with a 46,XX/46,XY karyotype and clinical manifestations including micropenis, hypospadia, syndactyly and polydactyly, and 1 case with XXXX syndrome and clinical manifestations including growth retardation. (bvsalud.org)
  • I won't go into all the 13 different karyotypes, but I would like to talk a little about "The most severe variant of Klinefelter's syndrome 49,XXXXY. (klinefeltersyndrome.org)
  • Phenotype/karyotype correlations of Y chromosome aneuploidy with emphasis on structural aberrations in postnatally diagnosed cases. (nih.gov)
  • XYY is associated with a physical phenotype and carries increased risk of neurodevelopmental disorders such as autism spectrum disorder (ASD). (nih.gov)
  • The presence of an extra Y chromosome in males is a relatively common occurrence, the 47,XYY karyotype being found in approximately 1 in 1000 male births. (nih.gov)
  • It is possible to distinguish between the different mechanisms of non-disjunction by analysing DNA polymorphisms at the distal tip of the Xp/Yp pseudoautosomal region in 47,XYY males, their parents and in some cases paternal grandparents. (nih.gov)
  • A cohort of 28 non-mosaic 47,XYY males was analysed. (nih.gov)
  • Prenatal testosterone levels are normal in 47,XYY males. (wikipedia.org)
  • Most 47,XYY males have normal sexual development and have normal fertility. (wikipedia.org)
  • Developmental delays and behavioral problems are also found, but these characteristics vary widely among affected boys and men, are not unique to 47,XYY and are managed no differently from in 46,XY males. (wikipedia.org)
  • Aggression is not seen more frequently in 47,XYY males. (wikipedia.org)
  • Offspring of XYY males have no increased risk of gonosomal aneuploidies. (medicover-genetics.com)
  • The increased gene dosage of three X/Y chromosome pseudoautosomal region (PAR1) SHOX genes has been postulated as a cause of the increased stature seen in all three sex chromosome trisomies: 47,XXX, 47,XXY, and 47,XYY. (wikipedia.org)
  • Amniocentesis (removal of amniotic fluid containing fetal cells is obtained) or chorionic villi biopsy (remove some of fringe around embryo) permit sampling of fetal tissue to determine karyotype and other genetic conditions. (csbsju.edu)
  • Scientific studies have shown that boys and men with an XYY pattern who are in a stable familial environment are not more likely to develop behavioral problems than others. (medicover-genetics.com)
  • The legacy karyotype description shown in this Remark may not be representative of the current available product. (coriell.org)
  • Approximately half of 47,XYY boys identified by newborn screening programs had learning difficulties-a higher proportion than found among siblings and above-average-IQ control groups. (wikipedia.org)
  • Some 47,XYY patients have been found to have genitourinary malformations. (wikipedia.org)
  • In a summary of six prospective studies of 47,XYY boys identified by newborn screening programmes, twenty-eight 47,XYY boys had an average 100.76 verbal IQ, 108.79 performance IQ, and 105.00 full-scale IQ. (wikipedia.org)
  • In a systematic review including two prospective studies of 47,XYY boys identified by newborn screening programs and one retrospective study of 47,XYY men identified by screening men over 184 cm (6 ft 1⁄2 in) in height, forty-two 47,XYY boys and men had an average 99.5 verbal IQ and 106.4 performance IQ. (wikipedia.org)
  • In prospective studies of 47,XYY boys identified by newborn screening programs, the IQ scores of 47,XYY boys were usually slightly lower than those of their siblings. (wikipedia.org)
  • Cytogenetic studies showed a 46,XX karyotype. (bmj.com)
  • In Edinburgh, Scotland, eight 47,XYY boys born 1967-1972 and identified in a newborn screening programme had an average height of 188.1 cm (6 ft 2 in) at age 18-their fathers' average height was 174.1 cm (5 ft 8+1⁄2 in), their mothers' average height was 162.8 cm (5 ft 4+1⁄8 in). (wikipedia.org)
  • In Edinburgh, fifteen 47,XYY boys with siblings identified in a newborn screening program had an average 104.0 verbal IQ and 106.7 performance IQ, while their siblings had an average 112.9 verbal IQ and 114.6 performance IQ. (wikipedia.org)
  • In Edinburgh, 54% of 47,XYY boys (7 of 13) identified in a newborn screening program received remedial reading teaching compared to 18% (4 of 22) in an above-average-IQ control group of 46,XY boys matched by their father's social class. (wikipedia.org)
  • In Boston, USA 55% of 47,XYY boys (6 of 11) identified in a newborn screening program had learning difficulties and received part-time resource room help compared to 11% (1 of 9) in an above-average-IQ control group of 46,XY boys with familial balanced autosomal chromosome translocations. (wikipedia.org)
  • People with the 47,XYY karyotype have an increased growth rate from early childhood, with an average final height approximately 7 centimetres (2+3⁄4 in) above expected final height. (wikipedia.org)
  • The karyotype of healthy people is 46-XX for women and 46-XY for men. (practicalmommy.com)
  • The judge seemed to believe that the genetic condition had determined the behavior of the subject and, since it is a constitutional requirement and cannot be cured, then this karyotype would make the man always socially dangerous. (omicsonline.org)
  • Severe acne was noted in a very few early case reports, but dermatologists specializing in acne now doubt the existence of a relationship with 47,XYY. (wikipedia.org)