XYY syndrome


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Related to XYY syndrome: XXY syndrome, Turner syndrome

XYY syn·drome

a chromosomal anomaly with chromosome count 47, with a supernumerary Y chromosome; may be associated with tallness, increased physical activity, and a tendency to learning problems.

XYY syn·drome

a chromosomal anomaly with chromosome count 47, with a supernumerary Y chromosome; may be associated with tallness, increased physical activity, and a tendency to learning problems.

Klinefelter syndrome

A syndrome with a 47, XXY chromosome complement, in which the subjects are phenotypically male but have seminiferous tubule dysgenesis, elevated plasma and urinary gonadotropins, variable gynecomastia, eunuchoid habitus and possibly female secondary sex characteristics. Some patients are chromosomal mosaics, with two or more cell lines of different chromosome constitution.

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

XYY syn·drome

(sin'drōm)
Aneuploidy with a supernumerary Y chromosome; associated with increased stature, aggressiveness, hyperactive behavior, mental retardation, and acne.
References in periodicals archive ?
Therefore, further study will be performed to assess whether men with 47, XYY syndrome would have autosomal abnormalities other than the sex chromosome abnormalities and the association between the PGD results with microarrays and the embryonic development.
This book is a collection of essays and articles, some previously published, most appearing for the first time, on a wide array of current controversies in ethical issues in health care, from Auschwitz to the XYY syndrome. At an average length of 11 pages, these are more than sound bites but something less than analytic philosophy.
The study sheds new light on the protein Pds5, its crucial regulatory role during meiosis, and the impact of its absence on the molecular-level genesis of human chromosomal birth defects that include Down, Edwards, Patau, Turner, Klinefelter's and XYY syndromes.