Most popular blood type

The approximate distribution of blood types in the U. S. population is as follows:

O-positive: 38 percent. O-negative: 7 percent. A-positive: 34 percent. A-negative: 6 percent. B-positive: 9 percent. B-negative: 2 percent. AB-positive: 3 percent. AB-negative: 1 percent.

cold blood is most popular