Article
Three sibling species within Contracaecum osculatum (Nematoda, Ascaridida, Ascaridoidea) from the Atlantic Arctic-Boreal region: reproductive isolation and host preferences.
International journal for parasitology - 1 Feb 1993
Nascetti G, Cianchi R, Mattiucci S, D'Amelio S, Orecchia P, Paggi L, Brattey J, Berland B, Smith J W, Bullini L
Abstract excerpt
Genetic variation within and between population samples from 22 locations of the Atlantic Arctic-Boreal region, including 1657 specimens morphologically assigned to Contracaecum osculatum, was electrophoretically analysed at 17 loci. Highly significant deviations from the Hardy-Weinberg equilibrium were found at various loci in several samples, owing to the existence of three distinct gene pools within C....
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