Blood groups are of greatclinical importancein blood transfusion and in tissue
transplantation. In fact,the discovery ofthe ABOsystemwas oneof the most importantfactors in making the
practice ofblood transfusion possible.The person`sABO bloodtypeis
usedin paternity suits,in forensic
science andin thestudy ofdifferent populations.
To provide accurate anddocumented information about the frequency ofABO and Rh Dblood groups in
oursocietyand to identifythe frequency of the most important otherblood systems :Rh, K, Duffy, Kidd.
