Absence of linkage between the genes responsible for the sickling phenomenon, the MN blood types, and the S-agglutinogen.
D000740:Anemia; D000755:Anemia, Sickle Cell / Q000235:genetics*; D008040:Genetic Linkage; D040941:Heredity; D006801:Humans
ANEMIA, SICKLE CELL/heredity