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. 2020 Nov 2;52(12):1423–1432. doi: 10.1038/s41588-020-00723-9

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Fig. 1 — a, Genomic synteny between homologous chromosomes (haplomes) of the diploid assemblies. Numbers indicate chromosomes. b, Evolutionary history and divergence time of the apple. The estimated divergence times (Ma) are inferred based on single-copy orthologous groups, and the 95% highest posterior density ranges (in the brackets) are shown at each node. The colored M. domestica represent the ancestral subpopulations of M. sieversii and M. sylvestris that are the direct genetic contributors of modern-day cultivated apples. WGD, whole genome duplication. c, Distribution of sequence divergence of intact LTR-RTs. Peak values were converted to ages based on a mutation rate of 3.9 × 10⁻⁹ substitutions per site per year.