Preliminary Study of High-Resolution Banding of the Rana catesbeiana

In this paper,A method,pre-trcatment with 2-Mercapto Ethanol and hypotonic treatment with the Ohnukis solution and flame dry,is employed to show chromosome high-resolution bands of Rana catesbeiana.This procedure can elongate chromosomes and leads the chromosomes to show highresolution bands which are similar to the high-resolution G-bands of human.The mechanism of chromosome high-resolution banding of Rana catesbeiana was discussed.