ABO blood group system, the classification of human blood based on the inherited properties of red blood cells (erythrocytes) as determined by the presence or absence of the antigens A and B, which are carried on the surface of the red cells. Persons may thus have type A, type B, type O, or type AB blood. #genetics #HardyWeinberg #AlleleFrequency #HardyWeinbergLaw #population #alleleFrequencies #mutation #genotypes #HardyWeinbergEquilibrium #populationGenetics #hardyWeinbergAssumptions #hardyWeinberg #genotypeFrequencies #hardyWeinbergEquations #hardyWeinbergEquilibriumExplained #genotype #educational #biology #tutorial #introduction #basics #overview #NikolaysGeneticsLessons #apBiology #hardyweinbergProblems #hardyWeinbergEquilibrium #genes
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