Coat colour inheritance in Soay, Orkney and Shetland sheep |
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| Authors: | M. L. Ryder R. B. Land R. Ditchburn |
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| Affiliation: | A.R.C. Animal Breeding Research Organisation, Edinburgh;Walls, Shetland |
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| Abstract: | Analysis of the numerical proportions of Soay, Orkney and Shetland sheep of different colours together with test matings, produced results compatible with the hypothesis that these breeds have a multiple allelic series at locus A , white ( A 1) being dominant to grey ( A 2) and both being dominant to the gene for self-colour ( A 5). The alleles at the A locus are epistatic to the alleles for pigment production at locus B , black ( B 1) being dominant to brown ( B 2). |
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