title: Chromosomal identity of black rats (Rattus rattus) from the Galápagos Islands, Ecuador.
mesh_terms: D000818:Animals; D002875:Chromosomes / Q000648:ultrastructure*; D004484:Ecuador; D005260:Female; D014644:Genetic Variation; D005828:Genetics, Population; D005838:Genotype; D007621:Karyotyping; D008297:Male; D010641:Phenotype; D051381:Rats / Q000145:classification*