Polymorphism in Oerstedia dorsalis (Abilgaard, 1806) revisited |
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| Authors: | Per Sundberg Kerstin Janson |
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| Institution: | (1) Department of Zoology, University of Göteborg, P.O. Box 250 59, S-400 31 Göteborg, Sweden;(2) Tjärnö Marine Biological Laboratory, Pl 2781, S-452 00 Strömstad, Sweden |
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| Abstract: | Genetic distance, estimated from electrophoretic variation of six enzyme loci, between three groups of Oerstedia dorsalis specimens which differ in their external morphology shows that one of the varieties should be assigned the rank of species. The genetic differentiation is compared with a multivariate assessment of morphological distance between these forms, and it is concluded that the substantial genetic differentiation between the two species is not reflected in morphological divergence. |
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| Keywords: | genetic distance electrophoresis Nemertean Oerstedia dorsalis |
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