But low capacity for altruism is selected for in the environment discussed.
Any genetic change due to selection (I doubt nature makes the pretty distinction between natural and artificial selection as clearly as we do) that eliminates an undesired trait or characteristic is basically by definition adaptive and not deleterious (as in harmful, injurious to the organism).
Edit: Why the delete? You’re making Caroline sad.
But low capacity for altruism is selected for in the environment discussed.
Any genetic change due to selection (I doubt nature makes the pretty distinction between natural and artificial selection as clearly as we do) that eliminates an undesired trait or characteristic is basically by definition adaptive and not deleterious (as in harmful, injurious to the organism).
Edit: Why the delete? You’re making Caroline sad.