Document Type
Article
Journal/Book Title/Conference
J. theor. Biol.
Volume
94
Publication Date
1-1-1982
First Page
119
Last Page
128
Abstract
The effect of sib-sib inbreeding on the evolution of eusocial altruism in Hymenoptera by kin selection is examined by computer simulations. Inbreeding has minor effects on the ratio of relatedness to siblings: relatedness to offspring, but this ratio remains approximately one no matter what the degree of inbreeding. This implies that although inbreeding increases relatedness to siblings, relatedness to offspring increases to the same degree. Hence, inbreeding does not make the evolution of altruism more likely. If all the brothers of (non-mating) altruists outbreed, thereby increasing the frequency of altruism alleles in the outbred fraction of the population especially at low gene frequency, then altruism can be promoted by inbreeding. However, this is an indirect advantage, not attributable to inbreeding per se.
Recommended Citation
Craig, Robin, "Evolution of Eusociality by Kin Selection: the Effect of Inbreeding Between Siblings" (1982). Co. Paper 155.
https://digitalcommons.usu.edu/bee_lab_co/155