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Haplogroup R (mtDNA)
Introduction
In human genetics, Haplogroup R is a human mitochondrial DNA (mtDNA) haplogroup.
Haplogroup R is a descendant of macro-Haplogroup N. Among its descendant haplogroups are B, UK (and thus U and K), F, pre-HV (and thus HV, H, and V), and the ancestral haplogroup of J and T.