The expression of ABH and Lewis antigens in Brazilian semi-isolated Black communities
T.C.O. Corvelo, D.C.F. Aguiar and F.E.S. Sagica - pages 259

Distinct nonrandom patterns of chromosomal deletions in giant-cell lesions of bone
M.R. Baruffi, J. Barbieri-Neto, J.M. Pina-Neto, C.E. Suerzut and C. Casartelli - pages 263

Fragility in the 14q21q translocation region
Stacy R. Denison, Asha S. Multani, Sen Pathak, and Ira F. Greenbaum - pages 271

Fixed bin frequency distribution for the VNTR Loci D2S44, D4S139, D5S110, and D8S358 in a population sample from Minas Gerais, Brazil
Kleber Simônio Parreira, Gismar Silva Vieira, Juarez Inácio, Rodrigo Soares Moura-Neto and Luiz Ricardo Goulart - pages 277

Comparison between the micronucleus frequencies of kidney and gill erythrocytes in Tilapia fish, following mitomycin C treatment
Dario Palhares and Cesar Koppe Grisolia - pages 281

Trends in evolution of 5S rRNA of deuterostomes: bases and homogeneous clusters
Sandra Maria Rodrigues Subacius and Romeu Cardoso Guimarães - pages 285

Simultaneous overexpression of GH and STAT5b genes inhibits the STAT5 signalling pathway in tilapia (Oreochromis niloticus) embryos
Luis Fernando Marins, Arati Iyengar, Norman Maclean, Jose A. Levy and Frédéric Sohm - pages 293

Description of a ZZ/ZW sex chromosome system in Thoracocharax cf. stellatus (Teleostei, Characiformes, Gasteropelecidae)
Margarida Lima Carvalho, Claudio Oliveira and Fausto Foresti - pages 299

Late-replicating X-chromosome: replication patterns in mammalian females
Karen Tunin and Priscila Guimarães Otto - pages 305

Variation in the mitochondrial control region sequence between the two maternal lines of the Sorraia horse breed
Cristina Luís, Cristiane Bastos-Silveira, E.Gus Cothran and M. Mar Oom - pages 309

Protocol for extraction of genomic DNA from swine solid tissues
Fernando Henrique Biase, Maurício Machaim Franco, Luiz Ricardo Goulart and Robson Carlos Antunes - pages 313

RAPD and SCAR markers linked to resistance to frogeye leaf spot in soybean
Sebastião Martins Filho, Carlos Sigueyuki Sediyama, Maurilio Alves Moreira and Everaldo Gonçalves de Barros - pages 317

Prediction of seed-yield potential of common bean populations
Ângela de Fátima Barbosa Abreu, Magno Antonio Patto Ramalho and João Bosco dos Santos - pages 323

The genetics and conservation of Araucaria angustifolia: I. Genetic structure and diversity of natural populations by means of non-adaptive variation in the state of Santa Catarina, Brazil
Neiva Maria Frizon Auler, Maurício Sedrez dos Reis, Miguel Pedro Guerra and Rubens Onofre Nodari - pages 329

Genetics of resistance to powdery mildew (Microsphaera diffusa) in Brazilian soybean populations
Elaine Cristine Piffer Gonçalves, Antonio Orlando Di Mauro and Maria Aparecida Pessôa da Cruz Centurion - pages 339

Natural selection and family X location interaction in the common (dry) bean plant
Luís Henrique Pirola, Magno Antonio Patto Ramalho, José Eustáquio S. Carneiro and Ângela de Fátima Barbosa Abreu - pages 343

Genetic relationships among Arachis species based on AFLP
Marcos A. Gimenes, Catalina R. Lopes and Jose F. M. Valls - pages 349