Haplogroup pre-JT

Haplogroup pre-JT is a human mitochondrial DNA haplogroup (mtDNA). It is also called R2'JT.
Origin.
Haplogroup pre-JT is a descendant of the haplogroup R. It is characterised by genetic marker at 4216. The pre-JT clade has two direct descendant lineages, haplogroup JT and haplogroup R2.
Subclades.
Its subclade is Haplogroup JT, which further divides into Haplogroup J and Haplogroup T.