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Idk, perhaps that is true, but you can't just cherry-pick blackberries.

• jeremysmyth 11y ago
  Nice pun, but the same holds for any other berry or fruit that grows in the wild: by definition humans aren't the primary consumer or propagation vector of wild sweet things, so the idea that fruit sweetness is the product of millenia of phenotype guiding by humans is only very narrowly true.
  • murbard2 11y ago
    Of course, not all of fruit sweetness is the product of selection, but cultivated fruits tend to be much sweeter than their wild counterparts. Relatively wild species like blackberries, raspberries, blueberries and their relatively low sugar content actually illustrate that point.