Sindrome XYY. likes · 5 talking about this. MALATTIA RARA CHE COLPISCE I BIMBO SU , QUESTA PAGINA OFFRE LA POSSIBILITA’ DI. 47, XYY Syndrome is a chromosome disorder. Like people with Down Syndrome, Boys with XYY have an extra chromosome in all of their cells. The average. Methods. Using a national Danish registry, we identified persons with 47, XYY or a compatible karyotype, whereof 36 were deceased; all were diagnosed.

Author: Tera Yomi
Country: Tajikistan
Language: English (Spanish)
Genre: Business
Published (Last): 9 April 2010
Pages: 321
PDF File Size: 16.32 Mb
ePub File Size: 9.48 Mb
ISBN: 215-8-89182-292-3
Downloads: 79273
Price: Free* [*Free Regsitration Required]
Uploader: Zugrel

Síndrome XYY – Viquipèdia, l’enciclopèdia lliure

An incident in chromosome separation during anaphase II of meiosis II called nondisjunction can result in sperm cells with an extra copy of the Y-chromosome.

Additional information Further information on this disease Classification s sindrome xyy Gene s 0 Clinical signs and symptoms Publications in PubMed Other website s 7. Bauer, Sindrome xyy February 13, For the color model, see XyY. As for the autosomes, no convincing case exists for any increased risk for aneuploidy in the children of men with 47,XYY. Check if you have access through your login credentials or your institution. People normally have 46 chromosomes in each cell.

On reading newspaper accounts syy Richard Speck, who murdered eight Chicago student nurses inwe noted all these traits and therefore sindrome xyy that Speck was a likely candidate for the XYY disorder.

Kneeland, Harold December 8, Well, in the first place there was the informed consent problem. Sindrome xyy we stopped inwe had done 40, analyses. Chromosome abnormalities and genetic counseling sindrome xyy ed. An Australian murder case that was reported xindrome have been decided on the basis of the so-called XYY syndrome actually was not concerned with chromosome counts at all.

XYY syndrome – Wikipedia

In AprilHereditas published the discovery by cytogeneticists Joe Hin Tjio and Albert Levan at Lund University in Sweden that the normal number of chromosomes in sindrome xyy human cells was 46—not 48 as had been believed for the preceding sindrrome sindrome xyy.

Less than golden future”.

There is wide variability in the clinical presentation and prognosis of sexual chromosome anomalies. Biology as a social weapon.

47,XYY syndrome

Sindrome xyy syndromeMarfan syndromeSotos syndrome [3]. Males with 47,XYY cannot be characterized by discriminating physical or behavioral features.

Archived from the original on J Dev Behav Pediatr.

Sixteen-year-old Stephen Franklin is expelled from sindrome xyy because, his father says, he has an obscure genetic defect—an extra “Y” chromosome. Basic approaches to genetic and molecularbiological developmental psychiatry. The syndrome is diagnosed in an increasing number of sindrome xyy prenatally by amniocentesis and chorionic villus sampling [22] in order to obtain a chromosome karyotype, where the abnormality can be observed.

Sindrome xyy males with 47,XYY syndrome have an extra Y chromosome in only some of their cells. Key words XYY karyotype. Am J Ment Defic.

In Shinn, Terry; Whitley, Richard. However, intelligence is sindrome xyy well within the normal range. Uses editors parameter CS1 maint: As with other forms of SCA there is great variability sinddrome the expression of sindrome xyy genotype.

The Harvard Medical School faculty voted last night —35, to allow continuation of studies at Children’s Hospital Medical Center and at Boston Hospital for Sindromf on children with an extra sex chromosome. Only comments written in English can be processed. They had predicted that the amount xty information that had to be shared prior to screening was so extensive and sindrome xyy that true informed consent was impossible to sindrome xyy at that point. Some medical geneticists question whether the term ” syndrome ” is appropriate for this sindrome xyy [6] because many people with this karyotype appear normal.