Jacob's syndrome: Difference between revisions
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| {{ICD11weblink}}902599592 LD52.1 Male with double or multiple Y] | |||
:''A condition affecting males, caused by the presence of supernumerary Y chromosomes. This condition is asymptomatic. Confirmation is through observation of supernumerary Y chromosomes by karyotyping.'' | |||
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==Introduction== | |||
Jacob's syndrome (47 XYY syndrome, XYY syndrome) is a rare chromosomal disorder caused by the presence of an extra Y chromosome. Normally, males have 46 chromosomes including one X and one Y chromosome. Males with XYY syndrome have 47 chromosomes, two of which are Y chromosomes. | |||
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Revision as of 11:13, 8 May 2019
Embryology - 16 Jun 2024 Expand to Translate |
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ICD-11 |
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LD52.1 Male with double or multiple Y
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Introduction
Jacob's syndrome (47 XYY syndrome, XYY syndrome) is a rare chromosomal disorder caused by the presence of an extra Y chromosome. Normally, males have 46 chromosomes including one X and one Y chromosome. Males with XYY syndrome have 47 chromosomes, two of which are Y chromosomes.
Cite this page: Hill, M.A. (2024, June 16) Embryology Jacob's syndrome. Retrieved from https://embryology.med.unsw.edu.au/embryology/index.php/Jacob%27s_syndrome
- © Dr Mark Hill 2024, UNSW Embryology ISBN: 978 0 7334 2609 4 - UNSW CRICOS Provider Code No. 00098G