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Pedigrees of dogs with different combinations of Dog Erythrocyte Antigen (DEA) 1+ and DEA 1− blood types. A) Predominantly DEA 1−, B) DEA 1+ and C) DEA 1 mixed family of mongrel dogs at PennVet. D) Mixed DEA 1+ and DEA 1− pairs in a family of Beagles and E) and F) mongrel dog family.
