title: Isolation and mapping of a polymorphic DNA sequence pJCZ3.1 on chromosome 19 [D19S20].
mesh_terms: D002888:Chromosomes, Human, Pair 19; D004262:DNA Restriction Enzymes; D015252:Deoxyribonucleases, Type II Site-Specific; D005819:Genetic Markers; D006801:Humans; D011110:Polymorphism, Genetic; D012150:Polymorphism, Restriction Fragment Length
chemical_list: D005819:Genetic Markers; D004262:DNA Restriction Enzymes; D015252:Deoxyribonucleases, Type II Site-Specific; C032229:GANTC-specific type II deoxyribonucleases