Canonical · Evolution & Life · Paper
Kin Selection and Inclusive Fitness
W.D. Hamilton · 1964
"Evolution doesn't just favor genes that help the individual survive — it favors genes that help copies of themselves survive, wherever they happen to sit, including in relatives."
Hamilton solved a problem Darwin admitted he couldn't: why do animals sacrifice themselves for relatives? In 1964 he showed evolution favors genes, not individuals — and genes exist in relatives too.
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