The rare "silent" allele P O  or P V  (P Vienna ) of human red cell acid phosphatase, typed in a second family.
D000135:Acid Phosphatase / Q000097:blood*; D000483:Alleles; D004912:Erythrocytes / Q000201:enzymology*; D005260:Female; D006454:Hemoglobins / Q000032:analysis; D006801:Humans; D008297:Male; D008967:Molecular Biology; D010375:Pedigree; D010641:Phenotype; D011110:Polymorphism, Genetic
D006454:Hemoglobins; D000135:Acid Phosphatase