The A & B antigens are a mendelians allelomorphs A & B being dominants.For eg An individual with type B blood may have inherited a B antigen from each parent or a B antigen from one parent &O from another,thus an individual whose phenotype isB may have the genotype BB(homozygous)or BO (heterozygous)
When the blood types of patients are known the possible genotype of their children can be stated .When both parents are type B,they will have children with genotype BB (B antigen from both parents) BO (B antigen from one parent & O from the Other heterozygous) or OO (O antigen from both parents being heterozygous.
When the blood types of patients are known the possible genotype of their children can be stated .When both parents are type B,they will have children with genotype BB (B antigen from both parents) BO (B antigen from one parent & O from the Other heterozygous) or OO (O antigen from both parents being heterozygous.
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