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XYY syndrome
(redirected from XYY Karyotype)

   Also found in: Wikipedia 0.01 sec.
XYY syndrome (ksw-w)
n.
A chromosomal anomaly characterized by the presence of one X-chromosome and two Y-chromosomes and thought to be associated with tallness, aggressiveness, and acne.

XYY syndrome
[eks′dob′əlwī′]
the phenotypic manifestation of an extra Y chromosome, which tends to have a positive effect on height and may have a negative effect on mental and psychologic development. However, the anomaly also occurs in normal males. See also trisomy.

XYY syndrome
YY syndrome A condition characterized by an extra Y chromosome, an array of typical clinical features–facial asymmetry, long ears, teeth and fingers, poor musculoskeletal development, cranial synostosis, prolonged P-R on EKG, and a possible tendency toward antisocial behavior


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