1. Basic Genetic Concepts

when only 1 allele is present (heterozygous): Blood Group (Phenotype) Genotypes Antibodies Present in Blood Reaction When Blood from Groups Below Is Mixed with Antibodies from Groups at Left OA B AB O A B AB ii IAIA or IAi I BI or IBi IAIB Anti-A Anti-B Anti-B Anti-A — Codominance & Blood Type • “A” & “B” alleles are codominant ... ................
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