Polymorphism of erythrocyte potassium concentration in seaweed-eating sheep

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INDIVIDUAL normal adult sheep have either a high or low erythrocyte potassium concentration, determined genetically by a simple allelic pair in which the gene for low K is dominant. High potassium (HK) animals have low erythrocyte sodium and low potassium (LK) animals high. Both phenotypes are present, and in all proportions, in 115 of 129 populations listed1.

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  1. 1

    Agar, N. S., Evans, J. V., and Roberts, J., Anim. Breed. Abstr. 40, 407 (1972).

  2. 2

    Hall, S. J. G., Mammal Rev. 5, no. 2 (1975).

  3. 3

    Hall, J. G., and Hunter, E. A., Heredity, 31, 325 (1973).

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HALL, S., HALL, R. & HALL, J. Polymorphism of erythrocyte potassium concentration in seaweed-eating sheep. Nature 255, 62 (1975) doi:10.1038/255062a0

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