karyotypes of several frogs from korea, taiwan and the philippines. | rana amurensis coreana, r. plancyi chosenica, r. latouchii, r. narina and ooeidozyga laevis have 2n = 26 chromosomes, r. kuhlii has 2n = 22, and kaloula picta has 2n = 28. males of r. narina have a conspicuous heteromorphic pair, no.8, which might play a rôle in sex-determination. | 1980 | 7398842 |