Polymorphism of Chromosome Ag NORs in Homozygous and Heterozygous Pigs of 13/17 Robertsonian Translocation, Landrace, Yorkshire and Duroc

• 13/17罗伯逊易位纯合子、杂合子猪及3个引进品种核仁组成区(Ag-NORs)的多态性