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Part III: REAL SELFISH (AND COOPERATIVE) GENES
Pages 165-166

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From page 165...
... New findings include increased rates of evolution of brain-related genes in the primitively eusocial bees, conceivably because of the increased cognitive demands of their competitive social environment. Juvenile hormone and insulin are often important in caste.
From page 166...
... In Chapter 9, Joan Strassmann and David Queller explore a micro bial social system where it is possible to manipulate genes. In the social amoeba Dictyostelium discoideum, starved cells come together in large groups in which 20% of the cells sacrifice themselves to make a stalk that aids in dispersal of the others as spores (Kessin, 2001)


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