The karyotypic characters of Ranidae and Hylidae and the relationship to the evolution are also discussed.本文初步讨论了蛙科和雨蛙科的核学特征以及它们间的演化关系。
nigrum and their hybrid indicated that their karyotypic formulae were K(n)==0m+sm , K(n)= = m + m + sm (SAT) and K (n)杂种K(n)= =m+m+sm(SAT); 黑穗醋栗K(n)==M+0m+m (SAT)。