Haplogroup pre-JT (mtDNA)

Haplogroup R2'JT
Possible time of origin	42,600 to 67,100 YBP
Ancestor	R
Descendants	R2, JT
Defining mutations	4216

In human genetics, Haplogroup pre-JT is a human (mtDNA) haplogroup.

It is a descendant of Haplgroup R. It is characterised by genetic marker at 4216. It also called R2'JT. Pre-JT has two direct descendents; Haplogroup JT and Haplogroup R2.

Phylogenetic tree of

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