Abstract
Abstract Comparative genomics approaches are proving to be extremely valuable for the study of gene function, gene duplications, and genome evolution. In this chapter we discuss how cross‐species comparisons of gene sequences and gene‐expression patterns are elucidating the evolution of many plant processes including the regulation of reproduction. Emphasis is placed on the implications of gene and genome duplications for the evolution of genome structure and plant reproduction. In addition, we show that comparative analyses can both promote transfer of knowledge from model to nonmodel systems and inform our understanding of conserved processes in model species.
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