Dictionary

kin selection

noun

Definition of KIN SELECTION

:  a theory of natural selection which states that a usually altruistic behavior or attribute that lowers the fitness of a particular individual is selected for if it increases the probability of survival and reproduction of related kin who possess some or all of the same genes as the altruistic individual
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First Known Use of KIN SELECTION

1975
Medical Dictionary

kin selection

noun \ˈkin-\

Medical Definition of KIN SELECTION

:  a theory of natural selection which states that a usually altruistic behavior or attribute that lowers the fitness of a particular individual is selected for if it increases the probability of survival and reproduction of related kin who possess some or all of the same genes as the altruistic individual

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