(graph theory) A theorem stating that the undirected graphs, partially ordered by the graph-minor relationship, form a well-quasi-ordering.

Of or relating to William Rees Brebner Robertson (1881–1941), American zoologist and early cytogeneticist who first discovered the Robertsonian translocation.

A rare form of chromosomal rearrangement where the participating chromosomes break at their centromeres and the long arms fuse to form a single, large chromosome with a single centromere.

plural of Robertsonian translocation