Molecular Systematics of Plants

pp 202-222

Molecular Systematics and Crop Evolution

  • John Doebley

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During the past decade, the tools of molecular biology have been applied to plant systematics with remarkable success. New insights have been gained into such topics as phylogenetic reconstruction, introgression, genomic evolution, and levels of genetic variation in natural populations. Molecular methods have provided greater resolution than was previously possible with other approaches. Moreover, variation in DNA sequences is more readily subjected to statistical analysis than many previous types of data, and it can be less ambiguous, making interpretation of data more straightforward.