title: Heterogeneity in genetic conditions.
authors: Department of Medical Genetics, St Mary's Hospital, Manchester.
authors: D G
authors: DG
authors: Evans
authors: R
authors: R
authors: Harris
mesh_terms: D002874:Chromosome Mapping; D005190:Family; D030342:Genetic Diseases, Inborn / Q000235:genetics*; D008040:Genetic Linkage; D005838:Genotype; D006801:Humans; D010641:Phenotype