kin selection(redirected from Kinship altruism)
Also found in: Medical.
Related to Kinship altruism: Hamilton's rule
A biological theory stating that a gene that causes an organism to exhibit behavior detrimental to its survival will increase in frequency in a population if that behavior benefits the organism's relatives, which will pass the gene on to subsequent generations.
(Biology) biology natural selection resulting from altruistic behaviour by animals towards members of the same species, esp their offspring or other relatives