title: Two chromosome fragments in a child with Down's syndrome and transient chromosome aberrations in the mother.
mesh_terms: D000328:Adult; D002648:Child; D002869:Chromosome Aberrations / Q000235:genetics*; D025063:Chromosome Disorders; D004314:Down Syndrome / Q000235:genetics*; D005260:Female; D006801:Humans; D007621:Karyotyping; D008297:Male