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. 2023 Jan 19;110(2):240–250. doi: 10.1016/j.ajhg.2023.01.001

Figure 2.

Figure 2

Population-wide haplotype analysis identified major SMN1 and SMN2 haplogroups

Representative haplotype sequences of the gene region from each SMN1 and SMN2 haplogroup were used to create an unrooted tree. The red dotted line in the middle separates SMN1 (left) and SMN2 (right). Figure S1 shows a tree of the same haplotypes created using the gene plus upstream/downstream regions, and a tree of the same haplotypes created using sequences of exons 1–6. The scale bar indicates the number of substitutions per site.