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LDH gene frequencies in cod samples from two locations on the Norwegian coast
Mork, J.A.; Giskeödegård, R.; Sundnes, G. (1980). LDH gene frequencies in cod samples from two locations on the Norwegian coast. J. Cons. - Cons. Int. Explor. Mer 39(1): 110-113
In: Journal du Conseil. Conseil International pour l'Exploration de la Mer: Copenhague. ISSN 0020-6466, more
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Keywords
    Biology > Genetics > Population genetics
    Gadus morhua Linnaeus, 1758 [WoRMS]
    Marine/Coastal
Authors  Top 
  • Mork, J.A.
  • Giskeödegård, R.
  • Sundnes, G.
Abstract
    In a sample of 88 cod (Gadus morhua) caught in the Lofoten area during the 1978 spawning the frequency of LdhSUP-B SUB-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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