title: Heterozygous manifestations in four autosomal recessive human cancer-prone syndromes: ataxia telangiectasia, xeroderma pigmentosum, Fanconi anemia, and Bloom syndrome.
mesh_terms: D001260:Ataxia Telangiectasia / Q000235:genetics*; D001816:Bloom Syndrome / Q000235:genetics*; D005199:Fanconi Anemia / Q000235:genetics*; D005787:Gene Frequency; D005808:Genes, Recessive; D006579:Heterozygote; D006801:Humans; D009369:Neoplasms / Q000235:genetics*; D012307:Risk Factors; D014983:Xeroderma Pigmentosum / Q000235:genetics*