View The 8 Different Blood Types Pics. O positive, o negative, a positive, a negative, b positive, b negative, ab positive and ab negative. Eight different blood types are found within the human population:
The highest density is in blood types vary depending on the geographical region: Scandinavians have a high probability of carrying the a blood in the 19th century, no one understood that people had different blood types. What makes different blood types different?
All cells, including those that make up blood, have a combination of substances known as antigens on their surfaces that is inherited.
Blood types are determined by genetics. Which type of donation is best for you is determined by your blood type, as. You inherit genes from your parents — one from your mother and one from your father — to create a pair. Blood types are determined by genetics.