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Fig. 2 | BMC Evolutionary Biology

Fig. 2

From: Evolutionary history of two cryptic species of northern African jerboas

Fig. 2

Statistical parsimony haplotype networks of cytb, X-chromosome intron (DBX5), and nuclear autosomal genes (ADRA2B, IRBP, GHR, ƲWF, MC1R and Agouti) of the Jaculus specimens successfully amplified with nuclear markers (n = 152 for cytb; the number of sequences used for each nuclear locus is specified in Table 2). Each circle represents one haplotype and the circle area is proportional to the frequency of each haplotype. Absolute frequencies are indicated for more common haplotypes. The size of the branches is proportional to the number of nucleotide differences between haplotypes, and dots on branches specify mutational steps where each node represents a single base difference. The insertion/deletion polymorphisms (indels) of DBX5 and Agouti were coded as single mutations (see Additional file 1: Figure S1) and so the sizes of the indels are indicated on the respective mutational step. Due to the large number of mutational steps of DBX5, the number of mutational steps is indicated [12]. The same was performed for cytb. Haplotypes in the cytb network were coloured as in Fig. 1a to indicate that the field samples were collected in Mauritania, Morocco, Senegal, and Tunisia. The dashed lines represent the alternative relationships between haplotypes. Nuclear haplotypes are coloured according to the respective mitochondrial lineage: J. jaculus (in red) and J. hirtipes (in green) as in Fig. 1b

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