Resistance is female

The arms race between the highly toxic rough-skinned newts of North America and the garter snakes that prey upon them is a literal textbook example of evolution in action. However, it appears that a piece of the genetic puzzle underpinning this interaction has been overlooked, until now. In this episode, PhD candidate Kerry Gendreau (Virginia Tech) and Dr Michael Hague (University of Montana) discuss their recent work showing that toxin resistance in garter snakes is sex-linked, and the implications this has for a system that is taught to almost every biology student. 

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