>>19159239Science magazine : calibrating the mitochondrial clock, Ann Gibbons.
https://www.dnai.org/teacherguide/pdf/reference_romanovs.pdf"Regardless of the cause, evolutionists are most concerned about the effect of a faster mutation rate.
For example, researchers have calculated that "mitochondrial Eve"--the woman whose mtDNA was
ancestral to that in all living people--lived 100,000 to 200,000 years ago in Africa. Using the new
clock, she would be a mere 6000 years old."
Since then other (Guo & al. etc.) have shown the same measured mutation rate. mtEve the common ancestor to all humans lived 6000 years ago, not 400 000, figure which is solely based on circular reasonning.