title: A deleted extra chromosome 22 identified by DNA replication banding.
abstract: The identification of a deleted extra chromosome 22 by means of the DNA replication banding pattern is reported. The characteristics of DNA replication banding, its advantages and superiority in chromosome identification are described.
mesh_terms: D000015:Abnormalities, Multiple / Q000235:genetics; D000328:Adult; D002869:Chromosome Aberrations; D002871:Chromosome Banding / Q000379:methods*; D002872:Chromosome Deletion; D002904:Chromosomes, Human, 21-22 and Y; D004261:DNA Replication; D006801:Humans; D008607:Intellectual Disability / Q000235:genetics; D008297:Male