title: Genetic recombination during conjugation in rec minus-strains of Escherichia coli K-12. Communication III. Synthesis of beta-galactosidase after transfer of lac+-genes into rec+-and rec A-recipients.
mesh_terms: D003227:Conjugation, Genetic; D003433:Crosses, Genetic; D003434:Crossing Over, Genetic; D004926:Escherichia coli / Q000201:enzymology*; D005111:Extrachromosomal Inheritance; D005696:Galactosidases / Q000096:biosynthesis*; D005796:Genes; D009154:Mutation; D010641:Phenotype; D011995:Recombination, Genetic; D012723:Sex
chemical_list: D005696:Galactosidases