[Varda]

"Is Eve older than we thought? by Sanjida O'Connell 15th April 1999 Two studies prove that the estimation of both when and where humanity first arose could be seriously flawed... The ruler scientists have been using is based on genetic changes in mitochondria, simple... Two groups of researchers, Prof Maynard Smith and colleagues Adam Eyre-Walker "

Mitochondrial recombination hasn't held up to investigation. Adam Eyre-Walker seems to have already studied this. It is a interesting idea that didn't pan out.
"If recombination occurs, there needs to be a route by which genetic material can incorporate itself into mitochondrial lineages. We review the evidence for possible routes and then review the current state of the population genetic evidence for recombination. We conclude that there is no firmly established route by which recombination can occur, and that while some of the population genetic evidence is suggestive of recombination, it is far from conclusive" (Eyre-Walker A, Awadalla P (2001) Does human mtDNA recombine? Journal of Molecular Evolution)

[SunkenCiv]

while some of the population genetic evidence is suggestive of recombination, it is far from conclusive

...because I just wanna believe all these mtDNA studies which pay all my bills. Waaaah!