Division of Medical Genetics, University of Geneva Medical School and University Hospitals, 1211 Geneva, Switzerland. stylianos.antonarakis@medecine.unige.ch
A large number of bacterial artificial chromosomes containing human DNA have been regionally mapped to chromosomes and are available to investigators. This dense collection of BACs (about 2.6 clones per Mb) will enhance the diagnostic capabilities of genomic abnormalities.
