Bryan Melugin
We’ve defined evolution as descent with modification from a common ancestor, but exactly what has been modified? Evolution only occurs when there is a change in gene frequency within a population. Over time, these genetic differences are heritable and can be passed on to the next generation, which is what really matters in evolution—long-term change.
But this isn’t enough, such a change in gene frequency needs to be an increase in genetic information not merely a change in the frequency of genetic information which is already there. Having more or less of the same genes doesn’t turn bacteria into cabbages and wolves. This is like saying, hey, I know where this candy bar originated I can prove that this chocolate bar came from a gum recipe because I found a label on one that says, “Now 20 percent bigger!” Which is delicious but nonsensical.
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