Genome evolution: The social chromosome

A Y-like social chromosome causes alternative colony organization in fire ants. Nature 16 Jan 2013 (doi:10.1038/nature11832) Image courtesy of R. Libbrecht, University of Lausanne, Switzerland, and Y. Wurm, Queen Mary, University of London, UK. Insects are well-known for having complex social organizations, and some species have several distinct social… (More)