Paper of the week: genetic basis of social organisation

The week’s paper of the week is from Wang et al on the genetic basis of social organisation (queen number & colony structure) in the fire ant Solenopsis invicta. In brief, a large inversion system, segregating as a Mendelian unit, contains genes associated with differences between mongyne and polygyne colonies: long-live super-genes!

Wang et al (2013) A Y-like social chromosome causes alternative colony organization in fire ants. Nature 493: 664-668.

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