An ancient and eroded social supergene is widespread across Formica ants

Alan Brelsford, Jessica Purcell, Amaury Avril, Patrick Tran Van, Junxia Zhang, Timothée Brütsch, Liselotte Sundström, Heikki Helanterä & Michel Chapuisat
Supergenes, clusters of tightly linked genes, play a key role in the evolution of complex adaptive variation. While supergenes have been identified in many species, we lack an understanding of their origin, evolution and persistence. Here, we uncover 20-40 MY of evolutionary history of a supergene associated with polymorphic social organization in Formica ants. We show that five Formica species exhibit homologous divergent haplotypes spanning 11 Mbp on chromosome 3. Despite the size of the...
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1 download reported since publication in 2019.

These counts follow the COUNTER Code of Practice, meaning that Internet robots and repeats within a certain time frame are excluded.
What does this mean?