In general, the rarest blood type is AB-negative and the most common is O-positive. Here’s a breakdown of the most rare and common blood types by ethnicity, according to the American Red Cross.
O-positive:
Sourse: www.livescience.com
In general, the rarest blood type is AB-negative and the most common is O-positive. Here’s a breakdown of the most rare and common blood types by ethnicity, according to the American Red Cross.
O-positive:
Sourse: www.livescience.com