Deletional map of chromosome 1 in CML. The common region of LOH was located proximal to D1S508 and distal toD1S507. Vertical bar indicates the common region of LOH. The locus symbols are shown on the left. Three loci are located on 1q (D1S196, D1S215, and D1S202). The sample name is on the top. Black box indicates LOH. White box indicates retained heterozygosity. Hatched box denotes not informative.