title: Nature and implications of supernumerary or accessory chromosomes in neonates.
abstract: The incidence of supernumerary or accessory human chromosomes in clinically normal and abnormal cases lead to a variety of questions. Thus genetic counselling in such cases is often a difficult task.
mesh_terms: D002478:Cells, Cultured; D002869:Chromosome Aberrations; D002871:Chromosome Banding; D002877:Chromosomes, Human; D006801:Humans; D007231:Infant, Newborn; D008214:Lymphocytes / Q000166:cytology; D012867:Skin / Q000166:cytology