42+ A+ Blood Type O+ Background. Learn about blood typing and the rarest and most common types of blood and how they can impact your blood donation. Child blood type calculation based on parental blood types, calculate one parent's blood type based on another parent and child.
Blood Types from www.hema-quebec.qc.ca
A blood type (blood group) is defined as the classification of blood based on the presence or absence of inherited antigenic substances on the surface of red blood cells (rbcs). Donors with o blood are compatible with any other blood type). The need for o+ is high because it is the most frequently occurring blood type (37% of the population).
More than two million people in scotland have type o+ blood, making it the most common blood type in scotland.
I don't know what blood type his dad is, though. To answer your questions, o+ blood can be safely transfused into a+ blood group but not the other way round! Any of those antigens being present or absent creates rare blood groups — defined as lacking the antigens. Type o+ blood is the most common across the continent of africa, but it does not have the highest prevalence in the world of this blood type.
