relatively common (one per 500 live male births) human sex-chromosome disorder. It is characterized by the following: small testes, lack of sperm ... [8 related articles]
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http://www.britannica.com/eb/a-z/k/39
<syndrome> A condition characterised by small testes with hyalinization of the seminiferous tubules, variable degrees of masculinization, azoospermia and infertility, and increased urinary excretion of gonadotropin. Patients tend to be tall, with long legs, and about half have gybecomastia. It is associated typically with an xxy chromosome co...
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http://www.encyclo.co.uk/local/20973
A genetic abnormality characterised by having one Y (male) and two X (female) chromosomes. May cause fertility problems.
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http://www.encyclo.co.uk/local/21429
Human genetic abnormality in which the individual, phenotypically apparently male, has three sex chromosomes (XXY).
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(kl1n;fel-terz sin;drom) An abnormal condition of male sex characteristics due to the presence of an extra X chromosome (genotype XXY).
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http://www.mhhe.com/biosci/abio/glossary.mhtml
[
n] - syndrome in males that is characterized by small testes and long legs and enlarged breasts and reduced sperm production and mental retardation
Found on
http://www.webdictionary.co.uk/definition.php?query=Klinefelter`s%20syndrom
a genetic disorder in which a man has at least 1 extra X chromosome in his cells, causing infertility and female characteristics
Found on
https://www.encyclo.co.uk/local/20875
an abnormal condition in which at least one extra X chromosome is present in a male: characterized by reduced or absent sperm production, small testicles, and in some cases enlarged breasts.
Found on
https://www.infoplease.com/dictionary/klinefelters-syndrome
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