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Representative allelotyping results. Polyacrylamide allelotyping gels for paired B lymphoblastoid and tumor DNAs visualized by autoradiography. (A) Marker LUCA2.2, (ca)n repeat. (B) LUCA20.2, (aaag)n(aagg)n repeat. The bracket above each lane contains DNA pairs from the same individual, first normal DNA and second tumor DNA. Arrows denote different alleles for each marker. DEL, H1450 deletion line; HET, retention of heterozygosity; LOH, loss of heterozygosity; NI, noninformative.
