Blood types

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There are 4 main blood groups (types of blood) – A, B, AB and O. Your blood group is determined by the genes you inherit from your parents. Each group can be either RhD positive or RhD negative, which means in total there are 8 blood groups. • Cariesology course :    • Operative course   • Microbiology course :    • Microbiology course   • Pharmacology course :    • Pharmacology course  

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