Abstract:Nucleoside transport in sheep red cells is controlled by two allelomorphic genes, the gene for nucleoside transport deficiency (NuI) being dominant to that for the functional presence of carrier-mediated nucleoside transport activity (Nui). Sheep are also polymorphic with respect to their red-cell nucleoside phosphorylase (NP) activity, some having high activities and others low activities of this enzyme. The gene for high activity (NPH) is incompletely dominant to that for low activity (NPL). Inheritance data… Show more
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