title: Sheep twin chimaeras with admixtures of red cell amino acid and potassium transport phenotypes.
abstract: A pair of sheep twins each had two populations of red cells. Population 1 was positive for antigens Aa, Ma and Mb, was low-potassium type, possessed an amino acid transport system and was lysine-negative phenotype. Population 2 was negative for antigens Aa, and Mb, was high-potassium type, lacked the amino acid transport system and was lysine-positive phenotype. Population 2 disappeared from both sheep over a period of 8 years.
mesh_terms: D000367:Age Factors; D000596:Amino Acids / Q000097:blood*; D000818:Animals; D001693:Biological Transport, Active; D001789:Blood Group Antigens / Q000235:genetics; D002678:Chimera; D004912:Erythrocytes / Q000378:metabolism; D005260:Female; D011110:Polymorphism, Genetic; D011188:Potassium / Q000097:blood*; D011247:Pregnancy; D012756:Sheep / Q000097:blood / Q000235:genetics*; D014427:Twins
chemical_list: D000596:Amino Acids; D001789:Blood Group Antigens; D011188:Potassium