Originally posted by Boris Godunov
"The Selfish Gene?"
"The Selfish Gene?"
The Selfish Gene metaphor captures the fact that genes are selected for their ability to faciliate their own replication. It's genes that are "selfish", not (necessarily) the individuals carrying the genes, whereas ethical egoism as here discussed applies precisely to individuals.
Actually, the Selfish Gene POV offers a very simple explanation of why organism sometimes acts altruistically; by sacrificing themselves, they can improve their genes' chances, and genes causing such behaviour will, of course, be selected for.
Now, some people will say that acting to help the replication of their genes is to act for one's own benefit. This is the age-old practice of redefining the terms so that the linguistic form of your initial statement still stands after its content has been defeated. Individuals (human and non-human) simply do plenty of things that are not to their personal benefit in anything resembling the normal meaning of the word. At the most basic level, putting the welfare of your children before that of your own is in direct contradiction of the basic tenet of ethical egoism, yet it's a behaviour whose causative genes are frequently selected for.
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