... 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 of ...

... 2). The differences of O-antigen type in group B are also explained by two conversion phages for antigens 7, and 72, and a mutation in a particular chromosomal gene for antigen 5. As we have only scarce ...

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

... By screening colonies for produc- 264 tion of B-galactosidase or selecting ... have begun. RETROVIRAL ONCOGENESIS AND PROTO- ONCOGENES Retroviruses ...

... K. Such a phage produces an + plaque on B. Many point mutations of tho genes are known which behave in this way. Deletions ... all fall within a limited region of the gene and they are all non-leaky r ... of plaque types on B. Some are indistinguishable from wild, some can be ...

... Gene", Sci Am 206:70, Jan 62) GENETIC COMPLEMENTATION TEST (E5) 1968 a cross between Individuals bearing mutations in the same gene, intended to determine if both mutations occur in ...

... NERVES X SYMPATHETIC NERVOUS SYSTEfl supernumerary chromosome (GEN) ♦b chromosome X CHROBOSOBE ABERRATIONS supplemented foods X FOOD, FORTIFIED suppression X GENES, SUPPRESSOR suppressor mutation X GENES, SUPPRESSOR X MUTATION if applic surdokamer ...

... Bam linkers BamHI + Hind IT VILLA i C B === pBR322 TT==t Ll tttttete 5S IRNA GENE -60 -40 ° +40 +80 +12 — — —— ++4411 Figure 2 Construction of overlapping deletion mutations with one fixed end, in the 5S RNA ...

... 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 ...

... LHF The Residual Repair Capacity of Xeroderma Pigmentosum Complementation Group-C Fibroblasts Is Highly Specific for Transcriptionally Active DNA NUCLEIC ACIDS RESEARCH Vol 18 Iss 3 pp 443-448 1990 (CP260) Reid, Robert G B Evolutionary theory: the unfinished synthesis. 405 p. Ithaca ...