The Genetic Code: What Is It Good For? An Analysis of the Effects of Selection Pressures on Genetic Codes Olivia P. JudsonDaniel Haydon Pages: 539 - 550
A Comparison of Homologous Developmental Genes from Drosophila and Tribolium Reveals Major Differences in Length and Trinucleotide Repeat Content Karl J. SchmidDiethard Tautz Pages: 558 - 566
The Evolution of the MAP Kinase Pathways: Coduplication of Interacting Proteins Leads to New Signaling Cascades Daniel R. CaffreyLuke A.J. O'NeillDenis C. Shields Pages: 567 - 582
Absence of Protein Polymorphism in the Ras Genes of Drosophila melanogaster Robert GasperiniGreg Gibson Pages: 583 - 590
Pervasiveness of Gene Conservation and Persistence of Duplicates in Cellular Genomes Fredj TekaiaBernard Dujon Pages: 591 - 600
Protein Tyrosine Kinase cDNAs from Amphioxus, Hagfish, and Lamprey: Isoform Duplications Around the Divergence of Cyclostomes and Gnathostomes Hiroshi SugaDaisuke HoshiyamaTakashi Miyata Pages: 601 - 608
Phylogenetic Analyses Reveal Ancient Duplication of Estrogen Receptor Isoforms Scott T. KelleyVarykina G. Thackray Pages: 609 - 614
Evolution of Rh Blood Group Genes Have Experienced Gene Conversions and Positive Selection Takashi KitanoNaruya Saitou Pages: 615 - 626
Phylogenetic Analysis of Pseudomonas syringae Pathovars Suggests the Horizontal Gene Transfer of argK and the Evolutionary Stability of hrp Gene Cluster Hiroyuki SawadaFumihiko SuzukiNaruya Saitou Pages: 627 - 644
Mytilus edulis Histone Gene Clusters Containing Only H1 Genes Birgit DrabentJae-Sun KimDetlef Doenecke Pages: 645 - 655
Molecular Parasites That Evolve Longer Genomes Kristin A. MarshallAndrew D. Ellington Pages: 656 - 663
Sequential Loss of Two Neighboring Exons of the Tropoelastin Gene During Primate Evolution Zoltán SzabóSimona A. Levi-MinziCharles D. Boyd Pages: 664 - 671
Genetic Variability of Natural Populations of Cotton Leaf Curl Geminivirus, a Single-Stranded DNA Virus Ana I. SanzAurora FraileFernando García-Arenal Pages: 672 - 681
Evaluating a Putative Bottleneck in a Population of Bowhead Whales from Patterns of Microsatellite Diversity and Genetic Disequilibria Alejandro P. RooneyRodney L. HoneycuttJames N. Derr Pages: 682 - 690
Toward Assigning Helical Regions in Alignments of Ribosomal RNA and Testing the Appropriateness of Evolutionary Models Michael SchönigerArndt von Haeseler Pages: 691 - 698
Phylogenetic Analysis of a Retroposon Family in African Great Apes Heui-Soo KimRekha V. WadekarTimothy J. Crow Pages: 699 - 702
Little Evidence for Synergism Among Deleterious Mutations in a Nonsegmented RNA Virus Santiago F. Elena Pages: 703 - 707
A Quantitative Measure of Error Minimization in the Genetic Code David HaigLaurence D. Hurst Pages: 708 - 708