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Doctor insights on: Strongest Klinefelters Syndrome

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Dr. Ilene Fennoy
121 doctors shared insights

Klinefelter's Syndrome (Definition)

is a genetic disorder that affects males. Klinefelter syndrome occurs when a boy is born with one or more extra X chromosomes. Most males have one Y and one X chromosome. Having extra X chromosomes can cause a male to have some physical ...Read more


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Is XXY klinefelter's syndrome related at all to marfan's syndrome?

Is XXY klinefelter's syndrome related at all to marfan's syndrome?

No: The two syndromes have some similar features, but they are different syndromes that are unrelated. Klinefelter syndrome is caused by ahaving at least one extra x chromosome in a person who has a y chromosome (normal male=46 xy, klinefelter=47xxy). Typical marfan syndrome is caused by a mutation in fbn1, coding for fibrillin-1. ...Read more

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Is 46xxy klinefelter's syndrome?

Is 46xxy klinefelter's syndrome?

Yes: Presence of more than one x chromosome with one y chromosome is klinefelter syndrome. ...Read more

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Is klinefelter's syndrome dominent or recessive?

Is klinefelter's syndrome dominent or recessive?

Error in formation: Humans have 23 pairs of chromosomes. During the formation of the egg, each pair splits and one of each travels to the egg. At conception, the sperm brings 22 + an X or Y & the new embryo now has 23 pairs (two of each). In Kleinfelter, the egg retains 2 X chromosomes instead of 1 & the sperm brings a Y.The fetus then has 23 pairs + the extra X. This is an error in formation, not an inherited trait ...Read more

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Does the Asperger syndrome have xyy chromosome?

Does the Asperger syndrome have xyy chromosome?

Not by definition: Someone with xyy may has asperger's disorder but that is not part of the disorder itself. ...Read more

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What is klienfelter (xxy) syndrome?

What is klienfelter (xxy) syndrome?

XXY: The klinefelter has a pattern of the sex chromosomes as XXY ( with male features). The extra x comes from an egg that had 2 x's at conception when the male y was added.The resulting fetus with 47 chromosomes is compatible with life.The baby will grow up with male sex characteristics, but often a short penis and sterility by adolescence along with other issues. ...Read more

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What is klienfelter (xxy) syndrome?

What is klienfelter (xxy) syndrome?

XXY: The klinefelter has a pattern of the sex chromosomes as XXY ( with male features). The extra x comes from an egg that had 2 x's at conception when the male y was added.The resulting fetus with 47 chromosomes is compatible with life.The baby will grow up with male sex characteristics, but often a short penis and sterility by adolescence along with other issues. ...Read more

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Is klinefelter's syndrome a somatic or genetic mutation?

Is klinefelter's syndrome a somatic or genetic mutation?

More than one x: It is a genetic anomaly in which a phenotypic male has more than one x chromosome, in addition to the y chromosome. The disorder is associated with poor testicular development and infertility, obesity. ...Read more

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Does Marfan syndrome only affect males?/does Marfan syndrome only affect females?

Does Marfan syndrome only affect males?/does Marfan syndrome only affect females?

Affects men & women: Marfan syndrome is autosomal dominant, not sex-linked. About one in 3000-5000 people have marfan syndrome. It affects an equal number of males and females. ...Read more

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Are people with androgen insensitivity syndrome intersex?

Are people with androgen insensitivity syndrome intersex?

Variable features: Androgen insensitivity may lead to a normal looking female or, with partial insensitivity, testicles may be present. If a female, she will be infertile. Go to pubmed health for more detailed information. ...Read more

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What is androgen insensitivity syndrome? A genetic condition?

What is androgen insensitivity syndrome? A genetic condition?

Genetic: The androgen insensitivity syndrome is a genetic condition in which the cells of a genetic male (i.e. Born with an x and a y chromosome) do not respond to testosterone so that the patient develops the external bodily appearance of a female. ...Read more

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What genotype is responsible for klinefelter syndrome?

XXY: IT IS THE EXTRA X chromosome in cells that lead the clinical characteristics of KS ...Read more

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Is turners syndrome a genetic disorder?

Is turners syndrome a genetic disorder?

Yes: Most females are born with 2 x chromosomes. Ts is a disorder resulting from missing one x chromosome or some part of it in the cells of the body. It is a disorder exclusive to females. Those with ts are born with it. Manifestations vary depending on the genetics. Small stature is one feature most girls have in common with each other. ...Read more

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What is klinefelters syndrome like?

Males with 47 XXY: Klinefelter's syndrome is a genetic disorder in which there is at least one extra x chromosome to a normal human male karyotype, for a total of 47 chromosomes. The principal effects are hypogonadism and reduced fertility. By adulthood, XXY males look similar to males without the condition, although they are often taller. Gynecomastia (enlarged breats) is present in about a third of individuals. ...Read more

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Is there high FSH in males with klinefelter's syndrome?

Usually: The gonadotropin factors FSH & lh are usually increased in thease kids after 10-12 yrs of age when early adolescence would normally begin. ...Read more

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What is partial androgen insensitivity syndrome?

It's complicated!: Patient born with poor testosterone action, so a male patient is female-appearing, and is usually raised by the family as a female. Big changes at puberty, however, with breast development, but also enlargement of the clitoris which can be quite alarming, and other male sex characteristics. Removal of the testicles can preserve female body identity and appearance in this disorder. ...Read more

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What are frey syndrome, horner's syndrome and shy-drager syndrome?

What are frey syndrome, horner's syndrome and shy-drager syndrome?

What do they have in: They all have abnormalities of autonomics and other nervous sytem problems. ...Read more

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Does anyone famous have androgen insensitivity syndrome?

Does anyone famous have androgen insensitivity syndrome?

I bet you the answer: To that is yes, but i'm not sure they'll do a commercial about it... ...Read more

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Is kabuki syndrome genetic?

Is kabuki syndrome genetic?

Kabuki syndrome: is a genetically inherited disorder. Here is a link for more information, resources and support: http://ghr.nlm.nih.gov/condition/kabuki-syndrome ...Read more