Abstract
We report on twins of unlike sex who shared a 45,X/46,X,+mar karyotype. The mar chromosome was found to be Yq- by DNA analysis. Marker studies, including 8 VNTR loci, yielded a probability of monozygosity of 0.99999996.
Publication types
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Case Reports
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Research Support, Non-U.S. Gov't
MeSH terms
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Adolescent
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Diseases in Twins / genetics*
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Disorders of Sex Development / genetics*
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Dwarfism / genetics
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Genetic Markers
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Genotype
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Humans
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Male
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Minisatellite Repeats
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Mosaicism
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Phenotype
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Sex Chromosome Aberrations / genetics*
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Sex Differentiation / genetics
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Twins, Monozygotic / genetics*
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Y Chromosome*