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In the Bateson–Dobzhansky–Muller model of genetic incompatibilities post-zygotic gene-flow barriers arise by fixation of novel… Expand The extent that both positive and negative selection vary across different portions of plant genomes remains poorly understood… Expand The shift from outcrossing to selfing is common in flowering plants, but the genomic consequences and the speed at which they… Expand BackgroundDespite having predominately deleterious fitness effects, transposable elements (TEs) are major constituents of… Expand Self-incompatibility (SI) has been well studied in the genera Brassica and Arabidopsis, which have become models for… Expand Capsella is a small genus within the mustard family (Brassicaceae). Its three species, however, show many evolutionary trends… Expand Abstract Arabidopsis thaliana (Cruciferae) has been chosen as a model system for mutant analysis of plant embryo development. The… Expand In an earlier paper (7) the development of isolated heart-shaped and older embryos of Capsella4 (> 80 ,u long) when grown in a… Expand RAGHAVAN, V., and J. G. TORREY. (Harvard U., Cambridge, Mass.) Growth and morphogenesis of globular and older embryos of Capsella… Expand