Analysis of a Larger SNP Dataset from the HapMap Project Confirmed That the Modern Human A Allele of the ABO Blood Group Genes Is a Descendant of a Recombinant between B and O Alleles
The phylogenetic network constructed from 3pop_data_1 (a). A circle graph presented on each node indicates the proportion of three populations, and the size of the circle graph indicates frequency of each haplotype. The numbers on each branch are nucleotide positions responsible for those branches. The underlined haplotypes were used for the PNarec program. The reticulation of the phylogenetic network for a recombinant and its parental haplogroups is shown by thick lines ((b) and (c)).
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