Abstract:
The antigen and phenotype frequencies of ABO and Rhesus blood groups
were determined in Guraan ethnic group. Blood group O was found to be the
most frequent (37%). The frequency of blood group A was 36%, for group B
22% and for group AB 5%. In Rhesus blood grouping system the frequency of
Rh (D) positive was 93%. With respect to both ABO and Rh (D) positive
prevalence of group A along with Rh (D) positive was 34%, group O+ve was
34% , B+ve 20% and AB+ve was 5%.The frequencies of other Rh antigens were
e 99%, c 94%, C 37% and E 12%. The Rh phenotype frequency was ccDee
47%, CcDee 32%, ccee 7%, ccDEe 6%, CcDEe 5%, CCDee 2% and ccDEE
1%.The trend can be shown with a general formula O>A>B>AB. Group A
(37.9%, 35.2% respectively), B (31%, 18.3% respectively) and AB (6.9%, 4.2%
respectively) were more frequent in females as compared to males. In contrast
blood group O was more prevalent in males (42.3%) as compared to females
(24.1%). There was a real predominance of blood group O over the blood groups
A, B and AB as well as Rh (D) positive over Rh (D) negative. Predominance of
blood group A in females was also reported. e antigen (100%, 96.6%
respectively) and C antigen (40.8%, 27.6% respectively) were more frequent in
males than in females while, in contrast, c antigen (96.6%, 93% respectively) and
E antigen (17.2%, 9.9% respectively) were more frequent in females than in
males. The Rh phenotype CCDee (28%) in males, but absent (0%) in females. In
contrast the Rh phenotype ccDEE (3.4%) in females, but absent (0%) in males.
