title: Reexamination of a family with a t(13q14q) and a ring D(13) child.
mesh_terms: D002869:Chromosome Aberrations; D002901:Chromosomes, Human, 13-15; D005260:Female; D005453:Fluorescence; D006570:Heterochromatin; D006801:Humans; D008297:Male; D010375:Pedigree; D013194:Staining and Labeling
chemical_list: D006570:Heterochromatin