Figure 2From: Development of chromosome-specific markers with high polymorphism for allotetraploid cotton based on genome-wide characterization of simple sequence repeats in diploid cottons (Gossypium arboreum L. and Gossypium raimondii Ulbrich) Distribution of di- and trinucleotide repeats in the genomes of Gossypium arboreum and Gossypium raimondii . Frequency values are expressed as the number of repeats per million base pairs of sequence. Detailed information on frequencies of individual di- and trinucleotide repeat motifs is provided in Additional file 2.Back to article page