Production of a merodiploid strain from a double male strain ofE. coli K12 A. J. ClarkW. K. MaasB. Low OriginalPaper Pages: 1 - 15
The mechanism of competence in the transformation ofStreptococci of serological group H H. OsowieckiJ. NałeczW. T. Dobrzański OriginalPaper Pages: 16 - 20
Transient induction of intergration functions in lambda lysogens Amos B. Oppenheim OriginalPaper Pages: 21 - 23
Developmental genetic studies of aminopeptidases inDrosophila melanogaster R. K. SakaiD. A. TungJ. G. Scandalios OriginalPaper Pages: 24 - 29
Genetic factors affecting allelic recombination at the histidine-3 locus ofNeurospora crassa Krishna Kumar Jha OriginalPaper Pages: 30 - 37
Analyse triploider, intersexer F1-Geschwisterschaften aus der Kreuzung tetraploid parthenogenetischer Weibchen vonSolenobia triquetrella F. R. mit Männchen bisexueller Rassen unter besonderer Berücksichtigung der F1-Keimdrüsen J. Seiler OriginalPaper Pages: 38 - 73
Mutations conferring quantitative and qualitative increases in β-galactosidase activity inEscherichia coli J. Langridge OriginalPaper Pages: 74 - 83
Analyse einer rezessiven Mutation im Y-Chromosom der FliegeCalliphora erythrocephala H. LangerR. SchnellF. -H. Ullerich Kurze Mitteilung Pages: 84 - 86
Evidence of phenotypic mixing between two strains of tobacco mosaic virus S. Sarkar Short Communication Pages: 87 - 90