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How many unique ancestors do you have?

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Published on Aug 11, 2014

An attempt to calculate a range for the total number of ancestors we have since the Neolithic Revolution -- not just genetic ancestors, all of them!

**Credits**

• Frank Hiemenz, classical guitar. https://soundcloud.com/fhgitarre.
• Butterworks Farm (Westfield, VT), source of the organic wheat berries multiplied on the chessboard and then given to Pineapple, the video's only actor.

Additional credits onscreen in video and at http://www.rootsandroutes.tv/projects....

**Bibliography**

• Richard Dawkins (2004), The ancestor's tale. Boston: Houghton Mifflin.
• George Gamow (1947). One two three ... infinity. New York: Dover.
• Nathan Keyfitz (1968). Introduction to the mathematics of population. Reading, Mass.: Addison-Wesley.
• Angus Maddison (2007). Contours of the world economy, 1-2030 AD. Oxford: Oxford University Press.
• M Phifer-Rixey, et al. (2012) "Adaptive evolution and effective population size in wild house mice." Mol. Biol. Evol. 29(10):2949-55.
• Peter Ralph and Graham Coop (2013). "The geography of recent genetic ancestry across Europe." PLOS Biology DOI: 10.1371/journal.pbio.1001555.
• Daniel de Rauglaudre. Roglo genealogy database. htttp://roglo.eu/roglo
• Douglas Rohde, Steve Olson, and Joseph Chang (2004). "Modelling the recent common ancestry of all living humans." Nature Vol. 431.

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