Um, genetics works on a timescale of generations. In a couple of hundred years genetics IS stagnant, because there haven't been enough generations for random changes to amount to anything. We are genetically indistinguishable from people a few hundred years ago, and people in a few hundred years will be genetically indistinguishable from us. Assuming we don't kill ourselves off, as you say.
Now, cultural development--memes instead of genes--can work wonders in a couple of hundred years.
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Um, genetics works on a timescale of generations. In a couple of hundred years genetics IS stagnant, because there haven't been enough generations for random changes to amount to anything. We are genetically indistinguishable from people a few hundred years ago, and people in a few hundred years will be genetically indistinguishable from us. Assuming we don't kill ourselves off, as you say.
Now, cultural development--memes instead of genes--can work wonders in a couple of hundred years.