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The D blood group system of the horse 1
Author(s) -
Sandberg Kaj
Publication year - 1973
Publication title -
animal blood groups and biochemical genetics
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.756
H-Index - 81
eISSN - 1365-2052
pISSN - 0003-3480
DOI - 10.1111/j.1365-2052.1973.tb01300.x
Subject(s) - breed , allele , biology , horse , allele frequency , genetics , group (periodic table) , evolutionary biology , zoology , gene , physics , paleontology , quantum mechanics
Summary Three new horse blood group factors designated E 2 , E' and Y were described. Evidence was presented that these three factors as well as the factors D, J and E 1 known before, belong to the D system established by Stormont & Suzuki (1964). That system was thus extended from being a two factor, three allele system, to the most complex system known in the horse so far. It was demonstrated that the D system is closed through the factors E 2 and E'. However a few exceptions to that rule were encountered. A minimum of 10 alleles, two of which were extremely rare seemed to control the system. Frequencies of the factors and the genes of the system were given for the Swedish Trotter breed and the North‐Swedish Horse breed.