Hervé, B Low-level mosaicism of a de novo derivative chromosome 9 from a t(5;9)(q35.1;q34.3) has a major phenotypic impact. [electronic resource] - European journal of medical genetics - 346-50 p. digital Publication Type: Case Reports; Journal Article ISSN: 1878-0849 Standard No.: 10.1016/j.ejmg.2015.04.005 doi Subjects--Topical Terms: Child, PreschoolChromosome DeletionChromosomes, Human, Pair 5--geneticsChromosomes, Human, Pair 9--geneticsCraniofacial Abnormalities--diagnosisGene DeletionGene DuplicationHeart Defects, Congenital--diagnosisHistone MethyltransferasesHistone-Lysine N-Methyltransferase--geneticsHumansIntellectual Disability--diagnosisIntracellular Signaling Peptides and Proteins--geneticsMaleMosaicismNuclear Proteins--geneticsPhenotype