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Message: Entry: What's So Scary About Evolution?--For Both Left and Right, a Lot Link: http://www.takimag.com/site/article/whats_so_scarry_about_evolution#27030 Post contents: Caper: "Different breeds of dog potentially can become different species if given millions of years" The time taken to speciate will depend on the length of generations. I doubt it would take geographically separated groups of dogs millions of years to speciate. Humans and chimps split somewhere ca 3.5 to 6 million years ago (higher or lower estimate depending on whether you go by paleontology or by DNA) and we're quite different, even with our long generation length. Sent at: 2008 12 01