Wednesday, November 30, 2011
Natural Selections: What makes a new species?
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Podcast Episode Summary
What draws the line between one species and another? New species are said to diverge when mutations occur that make it impossible to interbreed. Sometimes it's not much ? case in point: humans and chimpanzees. Curt Stager tells Martha Foley the key difference came when two short chromosomes in the chimp joined to form one long chromosome in humans.
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About North Country Public Radio: Natural Selections Podcast Podcast
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