Comprehensive, easy-to-understand information about this condition
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ring chromosome 1
MONDO:0015430
mosaic trisomy 1
MONDO:0015706
paternal uniparental disomy of chromosome 1
MONDO:0016650
maternal uniparental disomy of chromosome 1
MONDO:0016651
partial deletion of chromosome 1
MONDO:0016866
partial duplication of chromosome 2
MONDO:0016922