Stabilization of P2 tandem double lysogens by int mutations in the prophage.
D002874:Chromosome Mapping; D002876:Chromosomes, Bacterial; D003090:Coliphages / Q000254:growth & development / Q000302:isolation & purification; D004926:Escherichia coli; D005796:Genes; D005838:Genotype; D008242:Lysogeny; D009154:Mutation; D011995:Recombination, Genetic; D014161:Transduction, Genetic