What race has the most Rh blood type?
Blood types and ethnicity The majority of people in the world and across various ethnicities have Rh+ blood type. Subsaharan African populations have a 97-99% Rh+ factor. East Asian communities have 93-97% Rh+ blood. Rh factor is a big determinant in both fertility and pregnancy.
What race has the most Rh negative blood?
Basques
Rh-negative frequencies of about 29% were documented among Basques and in distinct populations living in the High Atlas Range of Morocco [25], which have the highest reported prevalence of Rh-negative phenotypes apart from that from Saudi Arabia above.
What race has the rarest blood type?
AB negative
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: African-American: 47%…A positive:
- African-American: 24%
- Asian: 27%
- Caucasian: 33%
- Latino-American: 29%
What ethnic group has AB negative blood?
Distribution of blood types in the United States as of 2021, by ethnicity
| Characteristic | O-positive | AB-negative |
|---|---|---|
| Caucasian | 37% | 1% |
| African American | 47% | 0.3% |
| Asian | 39% | 0.1% |
| Latino-American | 53% | 0.2% |
Can your blood type change?
Usually, you will have the same blood type all of your life. However, in some cases, the blood types have changed. This has been due to unusual circumstances, such as having a bone marrow transplant or getting certain types of cancers or infections. Not all of the changes in blood type are permanent.
Are there blood groups for A1 and A2?
Students were known to have either A or AB blood groups and were typed for A1 and A2 subgroups as well as RhD antigen. Results: Among the A group there are 93.42% A1 subgroup and 6.6% A2 subgroup. Among the AB group there were 91.6% A1B and A2B was 8.33%.
Is the A2 blood group rare in Asians?
The occurrence of A2 subgroup is rare in the Asian population and hence, A2 and A2B blood groups are the rare blood types amongst Asians. The African and Caucasian populations also show a lower frequency of the blood group A2B. Incidence of A2 population in India is approximately 8.0% and for A2B is 8.6% [5].
Which is the lower frequency blood group A2B?
The African and Caucasian populations also show a lower frequency of the blood group A2B. Incidence of A2 population in India is approximately 8.0% and for A2B is 8.6% [5]. The prevalence of anti-A1 antibodies among A2 and A2B samples was 1.8% and 3.75%, respectively [6].
How is the distribution of blood types determined?
This list concerns blood type distribution between countries and regions. Blood type (also called a blood group) is a classification of blood, based on the presence and absence of antibodies and inherited antigenic substances on the surface of red blood cells (RBCs).