Spectrum of mutations that occur under selective and non-selective conditions in E. coli B. G. Hall Research Article Pages: 73 - 76
A transposition of the reverse transcriptase gene reveals unexpected structural homology to E. coli DNA polymerase I E. W. TaylorJ. Jaakkola Research Article Pages: 77 - 86
Molecular phylogeny of the subgenus Sophophora of Drosophila derived from large subunit of ribosomal RNA sequences M. PélandakisD. G. HigginsM. Solignac Research Article Pages: 87 - 94
Tissue specific expression of the Drosophila Adh gene: a comparison of in situ hybridization and immunocytochemistry S. M. AndersonM. R. BrownJ. F. McDonald Research Article Pages: 95 - 100
Mapping of the seed storage protein locus Sec-2 in rye J. SybengaS. ParmarP. Shewry Research Article Pages: 101 - 105
Genetic analysis of extra sex combs in the hybrids between Drosophila subobscura and D. madeirensis M. PapaceitJ. San AntonioA. Prevosti Research Article Pages: 107 - 114
Developmental stability in hybrids between the sibling species pair, Drosophila melanogaster and Drosophila simulans T. A. MarkowJ. P. Ricker Research Article Pages: 115 - 121
Correlational selection on life history traits in the pitcher-plant mosquito S. M. ScheinerC. A. Istock Research Article Pages: 123 - 128
Differential flight activity among karyotypes: daily and weather-induced changes in chromosomal inversion polymorphism in natural populations of Drosophila subobscura M. Gosteli Research Article Pages: 129 - 136
Polymorphism of mitochondrial genes in populations of Leporinus friderici (Bloch, 1794): intraspecific structure and zoogeography of the Neotropical fish J. E. RennoA. MachordomP. Boursot Research Article Pages: 137 - 142