Contiguous gene syndromes: a component of recognizable syndromes.

Beckwith-Wiedemann Syndrome/genetics Child Chromosome Aberrations/genetics Chromosome Disorders Chromosome Mapping Congenital Abnormalities/genetics DiGeorge Syndrome/genetics Genetic Diseases, Inborn/genetics Genetic Variation Humans Iris/abnormalities Kidney Neoplasms/genetics Prader-Willi Syndrome/genetics Retinoblastoma/genetics Syndrome Wilms Tumor/genetics