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  #1  
Old 04-19-2010
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Default Syndromic Infant

On physical examination, a newborn is found to have micrognathia, a prominent occiput, low-set ears, and rocker-bottom feet. There is very little mental development during the first months of life and the infant dies of cardiac complications after 8 months. A complete karyotype of this child would yield which of the following?

A. XO
B. XXY
C. Trisomy 13
D. Trisomy 18
E. Trisomy 21
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Old 04-20-2010
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trisomy 18 (Edward's syndrome). these are classic features!
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Old 04-20-2010
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D. trisomy 18
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Old 04-21-2010
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yeah.Classic characteristics of Trisomy 18 : mental deficiency, growth retardation, prominent occiput, micrognathia, low-set ears, rocker-bottom feet, and ventricular septal defect
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Genetics-, Pediatrics-, Step-1-Questions, Syndromes-Acronyms

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