Fig. 3

Relative chromosome copy number variation within each individual in a microspore-derived population resulting from a trigenomic Brassica hybrid. Asterisks indicate chromosomes with only one copy in the parent hybrid. One missing chromosome was only assessed in somatically-doubled “2n” progeny, and extra chromosome refers to either two copies in an “n” progeny, or three or four copies in a “2n” progeny