Keller, L. and Parker, J.D.
Behavioral genetics: a gene for supersociality
Current Biology, 12, (5), . (doi:10.1016/S0960-9822(02)00737-6).
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In the fire ant, the number of queens per colony is determined by the workers’ Gp-9 genotype. This gene has been found to encode an odorant binding protein, which probably influences workers’ abilities to recognize queens and regulate their numbers. Remarkably, the same gene seems to control social organization in three other closely related species.
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