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Mitochondrial-DNA variation among subspecies and populations of sea otters (Enhydra lutris)

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Mitochondrial-DNA variation among subspecies and populations of sea otters (Enhydra lutris); 1996; Article; Journal; Journal of Mammalogy; Cronin, M. A.; Bodkin, J. L.; Ballachey, B. E.; Estes, J. A.; Patton, J. C.

Summary

We used restriction-enzyme analysis of polymerase-chain reaction-amplified, mitochondrial DNA (mtDNA) to assess genetic differentiation of subspecies and populations of sea otters throughout the range of the species. There were several haplotypes of mtDNA in each subspecies and geographically separate populations. MtDNA sequence divergence of haplotypes of sea otters was 0.0004-0.0041 base substitutions per nucleotide. E. l. nereis appears to have monophyletic mitochondrial DNA, while E. l. lutris and E. l. kenyoni do not. Different frequencies of haplotypes of mtDNA among populations reflect current restriction of gene flow and the unique histories of different populations. There are two or three haplotypes of mtDNA and diversity [...]

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Type Scheme Key
local-index unknown 1013026
local-pk unknown 1013026
series unknown Journal of Mammalogy

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journalJournal of Mammalogy
parts
typevolume
value77
typeissue
value2
languageEnglish
citationTypeArticle

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