title: Correlated exchanges in three-marker crossing of feletion mutants of phage T4B.
mesh_terms: D000483:Alleles; D002869:Chromosome Aberrations; D003090:Coliphages / Q000187:drug effects; D003433:Crosses, Genetic; D004267:DNA Viruses; D004279:DNA, Viral / Q000096:biosynthesis; D004926:Escherichia coli; D005467:Floxuridine / Q000494:pharmacology; D005838:Genotype; D009154:Mutation; D011995:Recombination, Genetic
chemical_list: D004279:DNA, Viral; D005467:Floxuridine