Genetic evidence for a lethal mutation in Holstein-Friesian cattle.
D000034:Abortion, Veterinary / Q000235:genetics*; D000818:Animals; D002417:Cattle; D002418:Cattle Diseases / Q000235:genetics*; D005260:Female; D005804:Genes, Lethal; D008297:Male; D010375:Pedigree; D011247:Pregnancy