Final answer:
Group B blood type is most common in Asian and Hispanic populations, as genetic differences influence blood type distribution. Therefore, the correct option is B.
Step-by-step explanation:
Individuals with group B blood are more common among certain populations due to genetic and geographical differences. Specifically, group B blood is most frequently found in the Asian and Hispanic populations. In comparison to Black or African American, and White populations, Asians tend to have higher rates of group B blood type.