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  2. XYYY syndrome - Wikipedia

    en.wikipedia.org/wiki/XYYY_syndrome

    XYYY syndrome, also known as 48,XYYY, is a chromosomal disorder in which a male has two extra copies of the Y chromosome. The syndrome is exceptionally rare, with only twelve recorded cases. The presentation of the syndrome is heterogeneous, but appears to be more severe than its counterpart XYY syndrome.

  3. XYY syndrome - Wikipedia

    en.wikipedia.org/wiki/XYY_syndrome

    XYY syndrome, also known as Jacobs syndrome, is an aneuploid genetic condition in which a male has an extra Y chromosome. [1] There are usually few symptoms. [ 2 ] These may include being taller than average and an increased risk of learning disabilities .

  4. XXYY syndrome - Wikipedia

    en.wikipedia.org/wiki/XXYY_syndrome

    48,XXYY syndrome is a condition related to the X and Y chromosomes (the sex chromosomes). People normally have 46 chromosomes in each cell.Two of the 46 chromosomes, known as X and Y, are called sex chromosomes because they help determine whether a person will develop male or female sex characteristics.

  5. XYYYY syndrome - Wikipedia

    en.wikipedia.org/wiki/XYYYY_syndrome

    XYYYY syndrome, also known as 49,XYYYY, is an exceptionally rare chromosomal disorder in which a male human has three additional copies of the Y chromosome. Only seven non- mosaic cases of the disorder have ever been recorded in the medical literature, as well as five mosaic cases, of which two had more 48,XYYY than 49,XYYYY cells. [ 1 ]

  6. Disorders of sex development - Wikipedia

    en.wikipedia.org/wiki/Disorders_of_sex_development

    The term was first introduced in 2006 and has not been without controversy. DSDs are subdivided into groups in which the labels generally emphasize the karyotype's role in diagnosis: 46,XX; 46,XY; sex chromosome; XX, sex reversal; ovotesticular disorder; and XY, sex reversal. [5]

  7. XXXYY syndrome - Wikipedia

    en.wikipedia.org/wiki/XXXYY_syndrome

    The literature is divided on whether autism or autistic features are common, though they have been reported in other X- and Y-chromosome disorders. Behavioural "outbursts" are mentioned by two reviews. [1] [2] [3] X- and Y-chromosome polysomies are both associated with behavioural and psychological sequelae. Because XXXYY syndrome involves both ...

  8. What is DSD? Rare condition explained after Imane Khelif ...

    www.aol.com/dsd-rare-condition-explained-imane...

    The term “differences in sex development”, or DSD, is used to refer to a wide range of different scenarios, with the NHS describing it as a “group of rare conditions involving genes ...

  9. Sex chromosome anomalies - Wikipedia

    en.wikipedia.org/wiki/Sex_chromosome_anomalies

    Sex chromosome anomalies belong to a group of genetic conditions that are caused or affected by the loss, damage or addition of one or both sex chromosomes (also called gonosomes). In humans this may refer to: 45, X, also known as Turner syndrome; 45,X/46,XY mosaicism, also known as X0/XY mosaicism and mixed gonadal dysgenesis; 46, XX/XY