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采用肾细胞法 ,气干法制片 ,Giemsa染色方法 ,对南京江段天然长吻鱼危的染色体组型进行分析 ,得出 2 n=5 0 ,核型公式为 2 0 m+1 2 sm+1 8t,NF=82。
Genome analysis of the natural finger-nosed catfish in the Nanjing section of the Yangtze River by renal cell method, air-dried method and Giemsa staining showed that 2 n = 50 and a karyotype of 20 m + 1 2 sm +1 8t, NF = 82.