September 26, 2012

The Grand, Fuzzy Concept of 'Junk' DNA

Dennis Venema, BioLogos Forum

AP Photo

One of the challenges for my students learning biology is summed up in one of my favorite sayings (that I’m sure some students are tired of hearing from me): “All the good concepts are fuzzy.” Take a basic concept like “living” versus “non-living,” for example. Obviously this is a fundamental concept for a biologist, since “biology” means the study of living things. Even here, though, we find that a precise definition of what is “alive” is a hard thing to nail down.

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