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+[[!meta title="A Y-like social chromosome causes alternative colony organization in fire ants."]]
+[[!tag chromosome variants supergene]]
+
+Wang J, Wurm Y, Nipitwattanaphon M, Riba-Grognuz O, Huang YC, Shoemaker D, Keller L.
+
+Nature. 2013 Jan 31;493(7434):664-8. doi:10.1038/nature11832
+
+A Y-like social chromosome causes alternative colony organization in fire ants.
+
+[[!pmid 23334415 desc="“The lack of recombination over more than half of the two heteromorphic social chromosomes can be explained by at least one large inversion of around 9 megabases, and this absence of recombination has led to the accumulation of deleterious mutations, including repetitive elements in the non-recombining region of Sb compared with the homologous region of SB.”"]]