Autosomal imbalance with a near-normal phenotype: the small effect of trisomy for the short arm of chromosome 18.
D000015:Abnormalities, Multiple / Q000235:genetics*; D000328:Adult; D002902:Chromosomes, Human, 16-18; D002906:Chromosomes, Human, 6-12 and X; D005260:Female; D006801:Humans; D007223:Infant; D007360:Intelligence; D010375:Pedigree; D010641:Phenotype; D014178:Translocation, Genetic; D014314:Trisomy