Genetic variation in Atlantic cod (Gadus morhua ) throughout its range
Mork, J.; Ryman, N.; Ståhl, G.; Utter, F.M.; Sundnes, G. (1985). Genetic variation in Atlantic cod (Gadus morhua ) throughout its range. Can. J. Fish. Aquat. Sci. 42(10): 1580-1587. https://dx.doi.org/10.1139/f85-198
In: Canadian Journal of Fisheries and Aquatic Sciences = Journal canadien des sciences halieutiques et aquatiques. National Research Council Canada: Ottawa. ISSN 0706-652X; e-ISSN 1205-7533, more
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| Keywords |
Analytical techniques > Electrophoresis
Biology > Genetics > Population genetics
Bioselection > Genetic drift
Chemical compounds > Organic compounds > Proteins
Stock identification
Gadus morhua Linnaeus, 1758 [WoRMS]
Marine/Coastal |
| Authors | | Top |
- Mork, J.
- Ryman, N.
- Ståhl, G.
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| Abstract |
The amount of genetic differentiation between stocks of Atlantic cod (Gadus morhua) was estimated from electrophoretically detectable protein loci expressed in skeletal muscle and liver. Variant alleles at 13 of these loci were detected among nine samples coverning most of the species range: North America, Greenland, Iceland, Barents Sea, Norwegian coastal waters, the North Sea, and the Baltic Sea. A very low amount of genetic differentiation was observed among stocks. There was a highly significant correlation between genetic and geographic distance for the samples from the Atlantic suggesting that a substantial gene flow has occurred between these stocks with geographic distance being an inhibiting factor. |
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