word
kin selection
KIN suh-LEK-shun
kɪn səˈlɛkʃənListen
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Syllable breakdown
kinselection
Dictionary meaning
evolutionary mechanism favoring behaviors that benefit genetic relatives even at cost to the actor; formalized in Hamilton's rule: rb > c, where r is relatedness, b is benefit to recipient, and c is cost to actor; explains why social insects sacrifice themselves for the colony
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