Patterns of variation within and between Greek populations of Ceratitis capitata suggest extensive gene flow and latitudinal clines.

Abstract excerpt

Four natural Greek populations of Mediterranean fruit fly, Ceratitis capitata (Wiedemann), was studied for genetic variability at 25 enzyme loci. The comparison of polymorphism within and between populations shows two loci with high between-population heterozygosity (HT) and very high fixation index (F(ST)) values, suggesting the presence of balancing selection. The gradual decline of common allele frequency of...

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