kin selection(redirected from Kin altruism)
Also found in: Medical.
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.
American Heritage® Dictionary of the English Language, Fifth Edition. Copyright © 2016 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.
(Biology) biology natural selection resulting from altruistic behaviour by animals towards members of the same species, esp their offspring or other relatives
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