title: Race distribution in X-linked mental retardation with macro-orchidism and fragile site in Xq.
mesh_terms: D044383:Black People; D005260:Female; D008040:Genetic Linkage; D005819:Genetic Markers; D006801:Humans; D008607:Intellectual Disability / Q000235:genetics*; D008297:Male; D012730:Sex Chromosomes; D013737:Testis / Q000002:abnormalities; D044465:White People; D014960:X Chromosome
chemical_list: D005819:Genetic Markers