title: A factor in the b2 region affecting site-specific recombinations in lambda.
mesh_terms: D002874:Chromosome Mapping; D003090:Coliphages / Q000254:growth & development*; D003433:Crosses, Genetic; D005796:Genes; D006378:Helper Viruses / Q000254:growth & development*; D008242:Lysogeny; D008769:Methylnitronitrosoguanidine; D009153:Mutagens; D009154:Mutation; D010641:Phenotype; D011995:Recombination, Genetic; D013696:Temperature; D014779:Virus Replication
chemical_list: D009153:Mutagens; D008769:Methylnitronitrosoguanidine