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Characterization of the alpha satellite DNA in L2H2. Genomic DNA from 674E2 (lanes 1 and 2) and its derivative L2H2 (lanes 3 and 4) were run in duplicate on the same gel and then hybridized with either the chromosome 14-specific/22-specific probe, αXT (A) or the chromosome 4-specific probe, CEP4, at high stringency (B). Genomic DNA was digested with XhoI (lanes 1 and 3) or EcoRI (lanes 2 and 4).
