title: A Robertsonian translocation in the fresh-water triclad Dugesia lugubris: karyometric analysis and evolutionary inferences.
mesh_terms: D000818:Animals; D005075:Biological Evolution; D002869:Chromosome Aberrations; D006238:Haploidy; D007620:Karyometry; D008938:Mitosis; D014419:Turbellaria / Q000145:classification*