Cotton Genomics and Genetics 2024, Vol.15, No.2, 66-80 http://cropscipublisher.com/index.php/cgg 70 Figure 1 The evolution of the allotetraploid cotton genome (Adapted from Huang et al., 2020) Image caption: (a) Inferred phylogenetic analysis among Gossypiumand other eudicot plants. (b) Summary of phylogenetic analysis with the approximately unbiased test in 10-kb windows. (c) Distribution of Ks values for orthologous genes among cotton genomes. Peak values for each comparison are indicated in the parentheses. (d) Comparisons of identical sites in orthologous genes. Violin plots summarize the distribution of identical sites. The center line in each box indicates the median, and the box limits indicate the upper and lower quartiles of divergence (n = 20 types of synonymous mutation). P values were derived with Student’s t-test. (e) Phylogenetic and ancestral allele analysis based on SNPs. The red, blue and green triangles represent the collapsed 21 A2 accessions,
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