Affiliation: | (1) Department of Animal Breeding and Genetics, Swedish University of Agricultural Sciences, Box 7023, S-750 07 Uppsala, Sweden;(2) Present address: Department of Cell and Molecular Biology, Karolinska Institute, S-171 77 Stockholm, Sweden;(3) Institute of Human Genetics, University of Aarhus, 8000 Aarhus C, Denmark;(4) Department of Cytogenetics, Danish Cancer Society, Tage Hangens Gade 2, 8000 Aarhus, Denmark |