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Analysis of tandem repeats in six Ipomoea chloroplast genomes. (A) Distribution of tandem repeats in genomic regions. (B) Distribution of tandem repeats in intergenic spacer (IGS), exon, and intron regions. (C) Distribution and lengths of tandem repeats. (D) Number of common and species-specific tandem repeats among the six Ipomoea chloroplast genomes.
