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  2. Klinefelter syndrome - Wikipedia

    en.wikipedia.org/wiki/Klinefelter_syndrome

    Klinefelter syndrome (KS), also known as 47,XXY, is a chromosome anomaly where a male has an extra X chromosome. [10] These complications commonly include infertility and small, poorly functioning testicles (if present). These symptoms are often noticed only at puberty, although this is one of the most common chromosomal disorders, occurring in ...

  3. XYY syndrome - Wikipedia

    en.wikipedia.org/wiki/XYY_syndrome

    The syndrome is diagnosed in an increasing number of children prenatally by amniocentesis and chorionic villus sampling [24] in order to obtain a chromosome karyotype, where the abnormality can be observed. It is estimated that only 15–20% of children with 47,XYY syndrome are ever diagnosed. Of these, approximately 30% are diagnosed prenatally.

  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. Females typically have two X chromosomes ...

  5. Disorders of sex development - Wikipedia

    en.wikipedia.org/wiki/Disorders_of_sex_development

    Disorders of sex development (DSDs), also known as differences in sex development or variations in sex characteristics (VSC), [2] [3] are congenital conditions affecting the reproductive system, in which development of chromosomal, gonadal, or anatomical sex is atypical. [4] DSDs is a clinical term used in some medical settings for what are ...

  6. XY gonadal dysgenesis - Wikipedia

    en.wikipedia.org/wiki/XY_gonadal_dysgenesis

    XY complete gonadal dysgenesis, also known as Swyer syndrome, is a type of defect hypogonadism in a person whose karyotype is 46,XY. Though they typically have normal vulvas, [1] the person has underdeveloped gonads, fibrous tissue termed "streak gonads", and if left untreated, will not experience puberty. The cause is a lack or inactivation of ...

  7. List of intersex people - Wikipedia

    en.wikipedia.org/wiki/List_of_intersex_people

    Hiker Chiu, founder of Oii-Chinese. Caroline Cossey, English model. Cary Gabriel Costello, U.S. associate professor of sociology and advocate for transgender and intersex rights. Roberta Cowell, British racing driver and pilot. Roberta Close, a Brazilian fashion model, actress and television personality.

  8. XXXY syndrome - Wikipedia

    en.wikipedia.org/wiki/XXXY_syndrome

    XXXY syndrome is a genetic condition characterized by a sex chromosome aneuploidy, where individuals have two extra X chromosomes. [2] People in most cases have two sex chromosomes: an X and a Y or two X chromosomes. The presence of one Y chromosome with a functioning SRY gene causes the expression of genes that determine maleness.

  9. Sexual anomalies - Wikipedia

    en.wikipedia.org/wiki/Sexual_anomalies

    The symptoms of Klinefelter's syndrome in a human male. DSDs caused by chromosomal variation generally do not present with genital ambiguity. This includes sex chromosome DSDs such as Klinefelter syndrome , Turner syndrome and 45,X or 46,XY gonadal dysgenesis .