Modeling the evolution of flower colour in snapdragons

author: Nicholas Barton, Institute of Science and Technology Austria (IST Austria)
published: June 5, 2014,   recorded: May 2014,   views: 2863


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Species are often subdivided into distinct populations, which are separated by narrow zones of hybridisation. These can be modelled using reaction-diffusion equations, yielding estimates of quantities such as the strength of selection and the rate of diffusion of genes. I will illustrate the population genetics of hybrid zones using our current study system, which involves populations of Antirrhinum (snapdragons) in the Pyrenees which differ in flower colour.

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