title: Tandem duplications of the rII region of bacteriophage T4D.
mesh_terms: D002874:Chromosome Mapping; D003090:Coliphages; D003433:Crosses, Genetic; D004926:Escherichia coli; D005816:Genetic Complementation Test; D005838:Genotype; D006579:Heterozygote; D008722:Methods; D008954:Models, Biological; D010641:Phenotype; D011995:Recombination, Genetic