Decius wrote:
] At first glace this seems neat. For $100 you can send a DNA
] sample to National Geographic. They'll sequence part of it and
] line it up with a particular subgroup of African ancestors,
] and provide information about how those ancestors travelled
] across the planet.

Richard Dawkins goes on at some length about this in his latest book. In short, he downplays the importance of geneaological ancestors in favor of genetic ancestry. He calls out for criticism a recent one-off British reality TV show in which selected British citizens were taken to meet their "ancestors" in Africa.

RE: Your Genetic Journey - The Genographic Project