10.26.2014

And you thought those fern bars were there for you

Ferns send signals to decide what sex to be | Ars Technica

"The chemical signal itself is a hormone called gibberellin, which plants use to control all sorts of biological activity. Most of what goes on in ferns is controlled by the usual collection of genes involved in gibberellin signaling; they seem to only have needed to evolve two additional genes in order to get this communal sex determination system to work."

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