Bručre, A N Chromosome polymorphism and its possible implications in the select Drysdale breed of sheep. [electronic resource] - Cytogenetics 1972 - 233-46 p. digital Publication Type: Journal Article ISSN: 0011-4537 Standard No.: 10.1159/000130194 doi Subjects--Topical Terms: AnimalsChromosome AberrationsFemaleGenitalia, Female--abnormalitiesGenitalia, Male--abnormalitiesHeterozygoteHomozygoteHybrid VigorInfertility--veterinaryKaryotypingLeukocytes--cytologyMaleMeiosisMitosisPedigreePolymorphism, GeneticSheepSheep Diseases--pathologyTestis--cytology