BMC Evolutionary Biology

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Positive selection and ancient duplications in the evolution of class B floral homeotic genes of orchids and grasses

Mariana Mondragón-Palomino*, Luisa Hiese, Andrea Härter, Marcus A Koch and Günter Theißen

BMC Evolutionary Biology 2009, 9:81 doi:10.1186/1471-2148-9-81

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