To express the matter more vividly, in the world of our model organisms, whose behavior is determined strictly by genotype, we expect to find that no one is prepared to sacrifice his life for any single person, but that everyone will sacrifice it when he can thereby save more than two brothers, or four half-brothers, or eight first-cousins.


The Genetical Evolution of Social Behavior, The Journal of Theoretical Biology, Volume 7, 1964 (p. 16)

W. D. Hamilton Quotes

To express the matter more vividly, in the world of our model organisms, whose behavior is determined strictly by genotype, we expect to find that no ...

To express the matter more vividly, in the world of our model organisms, whose behavior is determined strictly by genotype, we expect to find that no ...

To express the matter more vividly, in the world of our model organisms, whose behavior is determined strictly by genotype, we expect to find that no ...

To express the matter more vividly, in the world of our model organisms, whose behavior is determined strictly by genotype, we expect to find that no ...