Monthly Archives: August 2021


46 Pre-Chalcolithic J-M172 main sub-haplogroups

With the goal to simplify the grouping and assignation an analysis of the YFull YTree v9.03.00 J2 Scientific View was done in August 2021. See for comparison Basic Tree Subclades of 2015. Criteria: Pre-Chalcolithic (focus 7000-8000 BC), for L25 (ca. 7000 BC) because of importance/frequency main subgroups included Amount of subclades/frequency influences younger age smaller subgroups might be lumped into older […]