Part 1 Oral sessions: molecular cytogenetics - new developments and practical applications; gametogenesis, preimplantation and prenatal diagnosis; resources, databases and Internet fora; haematological neoplasms; animal chromosomes; toxicology and mutagenesis; interphase cytogenetics; chromosome abnormalities - mechanisms of generation and distribution; quality control and organization of cytogenetic laboratories and professional aspects of cytogenetics in Europe; solid tumours; plant chromosomes; clinical cytogenetics; molecular cytogenetics -new developments and practical applications (II); chromosome evolution; cell cycle, mitosis and meiosis. Part 2 Posters: molecular cytogenetics - new developments and practical applications (II); gametogenesis, preimplantation and prenatal diagnosis; resources, database and Internet fora; haemtological neoplasms; animal chromosomes; toxicology and mutagenesis; interphase cytogenetics; chromosome abnormalities - mechanisms of generation and distribution; quality control and organization of cytogenetic laboratories; professional aspects of cytogenetics in Europe; solid tumours; plant chromosomes; clinical cytogenetics; molecular cytogenetics - new developments and practical applications (II); chromosome evolution; cell cycle, mitosis and meiosis.