Morphometric Variations in the Housefly, Musca Domestica (L.) with Latitude Sueli Maria AlvesMuracy Bélo OriginalPaper Pages: 243 - 251
A Natural Triploid in Trichomycterus Davisi (Siluriformes, Trichomycteridae): Mitotic and Meiotic Characterization by Chromosome Banding and Synaptonemal Complex Analyses Luciana Andreia BorinIsabel Cristina Martins-SantosClaudio Oliveira OriginalPaper Pages: 253 - 258
Diversity and Genetic Distance in Populations of Steindachnerina in the Upper Paraná River Floodplain of Brazil A.V. OliveiraA.J. PrioliR.S. Panarari OriginalPaper Pages: 259 - 267
Cytogenetic Mapping of Five YAC Clones to Human Chromosome Region 2q31 → q32.1 in Relation to the FRA2G Common Fragile Site Franca PellicciaMaria Zaira LimongiAngela Rocchi OriginalPaper Pages: 269 - 272
Nonrandom Chromosomal Distribution of Spontaneous Breakpoints and Satellite DNA Clusters in two Geographically Distant Populations of Chironomus Riparius (Diptera: Chironomidae) Stefano BoveroThomas HankelnGabriella Sella OriginalPaper Pages: 273 - 281
The Fixation Probability of a Beneficial Allele in a Population Dividing by Binary Fission Toby JohnsonPhilip J. Gerrish OriginalPaper Pages: 283 - 287
Experimental Evidence that the Maize Activator (Ac) Transposase Can Act on a non-Transposable Element Promoter to Repress Reporter Gene Expression in Transient Plant Assays Amy F. MacRae OriginalPaper Pages: 289 - 309
Relationship Between Chromosomal Polymorphism and Wing Size in a Natural Population of Drosophila Subobscura Dorcas Juana OrengoAntonio Prevosti OriginalPaper Pages: 311 - 318
Presence and Behaviour of B-Chromosomes in Acanthophyllum Laxiusculum (Caryophyllaceae) S.M. GhaffariA. Bidmeshkipoor OriginalPaper Pages: 319 - 323