Rh Blood Type Antigens
Rh Blood Type Antigens . Based on the types of antigens. And this really indicates the presence or absence of two. Rh antigen Exo News from exonews.org The presence or absence of d defines a person as ārh positiveā or ārh negative,ā an extremely important distinction that establishes a personās basic blood type (in conjunction. The main difference between abo blood group. A person can have either type a, type b, type ab, or type o blood.