Abstract
A patient with a double partial trisomy 20 and 21 with mild mental retardation and multiple congenital anomalies is presented. Despite trisomy for a substantial portion of chromosome 21, the patient showed only minor stigmata compatible with Down syndrome.
Publication types
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Case Reports
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Research Support, U.S. Gov't, P.H.S.
MeSH terms
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Abnormalities, Multiple / genetics
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Adult
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Child, Preschool
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Chromosome Aberrations
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Chromosomes, Human, 19-20*
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Down Syndrome / complications*
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Down Syndrome / genetics
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Female
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Humans
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Infant
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Karyotyping
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Trisomy*