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Zhang, et.al. Representative SNPs Representative SNPs Dynamic Algorithm Dynamic Algorithm Number of SNPs 21.5% Number of SNPs 21.5% Number of blocks 37.7% Number of blocks 37.7% ~15% SNPs = 80% common haplotypes in each block ~15% SNPs = 80% common haplotypes in each block Genetic info on representative SNPs vs. Genotyping all SNPs