... Gal segment, the relative order of two Gal~ genes should influence the ... Complementation Group A | B | Cc | D E Pending Gal, k Gal, t Gal, K+ t+ ...

... response to MMTV- and MHIV-derived signals. Two complementation groups have been identified for cloning mutant genes have begun. RETROVIRAL ONCOGENESIS AND PROTO- ONCOGENES Retroviruses ...

... II. Antigen-transforming factor in bacilli of sub- group E,. Proc. fap. Acad. 29, 127—731. Incram, V.M., 1957. Gene mutaton in human hemoglobin: the chemical differences between ...

... theory which explains rather well the paucity of complementation groups in this and other organisms. We know that some single gene mutations can produce profound changes in the organisation ...

... estimates from genetic data!® of the number of “genes” in Drosophila and man, the correlation between the number of bands plus-interbands and genetic complementation groups?’, the specific pairing between the bands of the ...

... use in tracing the transmission of certain viruses (e.g., herpes viruses) in minor outbreaks. 2. Interactions between viruses. a. Complementation. As noted above, two mutants bearing lesions in different genes and infecting the same cell can supply missing ...

... of metazoans but per- | in the jaboratory, of genes into hetero- i D> OD eos 5 22 = % ... to Fedonkin, analysis by complementation of cyano- : a = Ny 2 533 a8 Bt ...

... packaged in vitro and infected into a permissive E. coli strain, these ... analysis to the viral gene corresponding to the RNA used as substrate for ...

... was found to be true also of the group VIII mutants described here. A ... (25). The correspond- ing gene maps near the Jac region. These mutants are ...

... in host chromosome replication. Conditionally lethal mutants of E. coli, ... complementation of extracts prepared from mutant ceils. Partially resolved ...