LDH gene frequencies in cod samples from two locations on the Norwegian coast [Lofoten, isoelectric focussing]
1980
Mork, J.A. | Giskeoedegaard, R. | Sundnes, G. (Biological Station, Trondheim (Norway))
In a sample of 88 cod (Gadus morhua L.) caught in the Lofoten area during the 1978 spawning the frequency of Ldh('B)(, B) was 0.62 for the Arcto-Norwegian cod stock ("skrei"). The corresponding frequency in a sample of 203 coastal cod from Trondheimsfjorden was 0.60. In no sample did the observed genotype distribution differ significantly from the expected proportions under genetic equilibrium. The analyses were carried out by isoelectric focussing on thin layers of polyacrylamide gel. The value of the actual isozyme system as a tool in cod stock discrimination is discussed.
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