Molecular evolution of the exon 2 of CHS genes and the possibility of its application to plant phylo

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The exon 2 of chalcone synthase (CHS) gene is relatively conserved during evolution. In this study, three exon 2 fragments from two species in gymnosperm (Cycas panzhihuaensis, Ginkgo biloba ) and seven from four species in angiosperm (Magnolia denudata,
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