Allozyme variation and geographic differentiation in the Chilean leptodactylid frog Batrachyla taeniata (Girard, 1854)

Abstract

Electrophoretic variation in proteins encoded by 15 loci was analyzed in nine populations of the Chilean leptodactylid frog Batrachyla taeniata. The overall proportion of polymorphic loci was estimated to be 16.2% and the average number of alleles per locus, 1.18. The mean observed and expected heterozygosities for the populations were 0.9% and 5.9%, respectively. The average Rogers genetic distance among pairs of populations was 0.105. F statistics analysis showed high levels of genetic subdivision (Fst = 0.450). An isolation-by-distance test indicated significant correlation between genetic and geographical distance.