Karyotypes of the Korean anura were studied. The chromosome numbers and types
analized were as follows: 1) Bombina orientalis: 2n=24, 7 pairs of large and 5 pairs of
small chromosomes, 2) hylaaborea 2n=24, 6 paris of large and 6 paris of small
chromosomes, 3) Bufo bufo: 2n=22, 6 pairs of large and 5 pairs of small chromosomes,
4) Bufo stejnegeri: 2n=22, 6pairs of large and 5 pairs of small chromosomes, 5) Kaloula
borealis: 2n=28, 4 pairs of large and 10 pairs of small chromosomes, 6) Rana
nigromaculata: 2n=26, 5 pairs of large and 8 pairs of small chromosomes, 7) Rana
plancyi: 2n=26, 5 pairs of large and 8 paris of small chromosomes, 8) Rana dybowskii:
2n=24, 5 pairs of large and 7 paris of small chromosomes, 9) Rana rugosa; 2n=26, 5
paris of large and 8 paris of small chromosomes, and 10) Rana amurensis: 2n=25, 5
pairs of large and 8 paris of small chromosomes.
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