Heritability of nestling begging intensity in the house sparrow (Passer domesticus).

@article{Dor2009HeritabilityON,
  title={Heritability of nestling begging intensity in the house sparrow (Passer domesticus).},
  author={Roi Dor and Arnon Lotem},
  journal={Evolution; international journal of organic evolution},
  year={2009},
  volume={63 3},
  pages={
          738-48
        }
}
Evolutionary theory of parent-offspring conflict assumes that offspring food solicitation behavior, known as begging, and parental response to begging are subjected to selection and coevolution. This assumption implies that begging intensity should be heritable, at least to some degree. Although some studies have suggested that begging is heritable, the evidence for this is rare and mostly indirect. To assess the heritability of begging we used artificial selection, sibling analysis, and the… CONTINUE READING
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