Complex sentence: An analysis of 369 complete African L3 sequences places the maximum of its expansion at ∼ 70 ka, virtually ruling out a successful exit out of Africa before 74 ka, the date of the Toba volcanic super-eruption in Sumatra.
Split into simpler sentences: An analysis of 369 complete African L3 sequences placed the maximal date of the clade's expansion at ∼ 70 ka. This virtually rules out a successful exit out of Africa before 74 ka, the date of the Toba volcanic super-eruption in Sumatra.