A large number of genes affected by presence/absence and copy number variation suggest that it may contribute to phenotypic and agronomic trait diversity. Here we show by analysis of the Brassica ...

Figure 1: Phylogenetic tree of 199 B. rapa and 119 B. oleracea accessions. Figure 3: Parallel subgenomic selection among subgenomes from leaf-heading morphotypes of B. rapa and B. oleracea.