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Fig. 4 | Genome Biology

Fig. 4

From: Population-genomic analyses reveal bottlenecks and asymmetric introgression from Persian into iron walnut during domestication

Fig. 4

Network of the chloroplast DNA haplotypes present in Juglans regia and J. sigillata.a Haplotype network based on whole-chloroplast genome variants. Numbers at branches are the number of mutations, the numbers in parentheses represent the number of individuals per haplotype, and circle diameters are proportional to the number of samples per haplotype. b Map showing the distribution of three chloroplast haplotypes in populations. Dots without black borders represent J.regia; dots with black borders represent J. sigillata. The hexagon marks walnut samples from Pakistan that were cultivated in Iran. The dashed line represents the separation between the western and eastern J. regia groups found in this study and highlights the sparse sampling in this crucial region

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