Abstract
Hae III restriction patterns are reported in three cases with normal-sized but nonfluorescent Y chromosomes (XO/XYnf mosaics). The 3.4- and 2.1-kb fragment classes of reiterated Y chromosomal DNA were not present in the three cases. Mechanisms leading to these findings are discussed.
MeSH terms
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Adolescent
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Adult
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Base Sequence
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Child, Preschool
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Chromosome Banding
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DNA Restriction Enzymes*
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Deoxyribonucleases, Type II Site-Specific*
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Female
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Fluorescent Dyes
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Humans
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Male
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Mosaicism
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Sex Chromosome Aberrations / genetics*
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Y Chromosome / ultrastructure
Substances
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Fluorescent Dyes
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DNA Restriction Enzymes
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Deoxyribonucleases, Type II Site-Specific
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GGCC-specific type II deoxyribonucleases