What is genotype XXY

Typically, men are born with one X chromosome and one Y chromosome, however, in the dataset, were 213 men with an extra X chromosome, resulting in the XXY genotype, and 143 men with an extra Y ...

However, some men also have an extra X or Y chromosome—XXY or XYY. Without a genetic test, it may not be immediately obvious. Men with extra X chromosomes are sometimes identified during ...

It seems unquestionable that all boys with a Rett syndrome phenotype should be tested for mosaic mutations or an XXY genotype (group 2). It also appears reasonable to test boys with a severe ...

Although some association between phenotype and genotype has been shown ... Six of these had the karyotype 47,XXY or were mosaics for the mutation. The remaining cases can be divided into two groups, ...

6 The authors also identified the XYY genotype in 2% of a study group of 100 male outpatients with nodulocystic acne, a rate 11 times higher than the rate of XYY in the general male neonatal ...

Karyotyping performed by G-banding technique revealed a 47 XXY karyotype, which is diagnostic of Klinefelter's syndrome. Doppler ultrasound of the leg ulcers disclosed partial thrombus in the ...

Mechanisms of mosaicism (the presence of genetically distinct populations of cells in a given organism) include DNA structural abnormalities, epigenetic changes, and the abnormal distribution of ...

In men with testicular failure of unknown aetiology, a karyotype should be obtained to identify Klinefelter syndrome (47 XXY). Chlamydia trachomatis20 and gonorrhoea are frequent causes of tubal ...

Patients (1) 29 girls with XY karyotype and mutation positive complete androgen insensitivity syndrome (CAIS); (2) 43 girls and 30 boys with genotype confirmed CAH. Main outcome measures Birth weight, ...

If we assume that premutation sized alleles have no phenotypic effect with respect to intellectual performance, the frequency in the studied population, both boys and the mothers' control chromosome, ...