Sometimes I can follow science, sometimes I can't. This post is interesting, as it deals with the evolution of corn, though I had a bit of trouble following the logic of "cryptic variation", meaning genes change but the trait doesn't. (Hat tip to Brad DeLong.)
The big news for me was a throwaway for the writer--they've been able to mate modern corn and teosinte and produce viable offspring--meaning they're the same species.
One implication I think is Richard Dawkins was wrong in "The Selfish Gene", because the trait, not the gene, is what is selected for.
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