Which red cell antigens typically show dosage?
Antigens that often show dosage include:
- Rh: C, c, E, e
- Kidd: Jka, Jkb
- Duffy: Fya, Fyb
Other antigens such as K in the Kell system can show dosage but we usually do not notice it in the lab because K+ red cells are almost always K+k+.