Determination of the Frequencies of the ABO phenotypes and Kell blood group system antigens (Kell and Cellano) in Al- Halfawein Ethnic group in Sudan

Abstract

This descriptive study was conducted to determine the ABO phenotypes and their frequencies and Kel 1 ,Kel 2 antigens frequencies among Al-Halfawein tribe. It was done during the period from 1st May 2005 to 30th July2005. Hundred unrelated apparently healthy individuals from the tribe (63% males, 37% females) were included in the study after written consent, and interviewed using questionnaire forms. After collecting venous samples from the volunteers, the blood samples were analyzed in Sudan University Hematology lab by using conventional antisera and gel diffusion technique, and then the collected data were analyzed using SPSs computer programme. The obtained results were as follows: Blood group O : 44% Blood group A : 31% Blood group B : 22% Blood group AB: 3% K 2 antigen : 100% K 1 antigen : 5% K-1,+2 phenotype :95% K+1,+2 phenotype :5%