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by dTal
547 days ago
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We seem to be agreeing, but I don't think you really engaged with my point with this reply. What is "me"? There is no "I", that exists independently of the genes that "I" carry, that can be "benefited" at the expense of those genes. My genes do not use me. I do not use my genes. I am my genes. It is fundamentally impossible for me to act in a way that is not calculated to spread the genes that constitute me. Any behavior that I perform is the result of inclinations which have been programmed into me for the express purpose of successful reproduction. No other selection pressure exists. (To avoid an argument: the picture is murkier when one considers that we are also meme carriers, which also affects our behavior, and that memetic and genetic reproduction are not entirely aligned; nevertheless, we have no more control over our memes than over our genes, so the core point remains: there is no "me"). |
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I disagree, because even if you were indeed merely the sum of your genes, natural selection works on a gene-by-gene basis, not on a full genotype basis. Furthermore, each of "your" genes -- unlike your genotype -- is not unique to you (that's the whole point of genes spreading; a successful gene is one that is carried by many individuals). Unless you clone yourself, spreading your genotype is simply not an option available to you whether you see value in that or not.
In other words, even if you believe you are no more than the sum of the words that constitute the sentence that is your genotype, natural selection does not work to spread that sentence but its constituent words. In fact, it works to spread only some of those words and against the spread of others. In a way, the genes you carry are in competition with each other.
> It is fundamentally impossible for me to act in a way that is not calculated to spread the genes that constitute me. Any behavior that I perform is the result of inclinations which have been programmed into me for the express purpose of successful reproduction. No other selection pressure exists.
That takes things way too far. We are not "programmed" by our genes, as seen in identical twins. But to whatever limited extent genes do "program" us, their spread is not necessarily dependent on you reproducing. That's the whole discovery of kin selection: because your genes are shared with others, behaviour that sacrifices you for the sake of someone else will also spread your shared genes in the population -- just not through you.