Answer:
If the child has blood type OO and his mothes has AO type, the father must have O in his genotype: A(AO), B(BO), O(OO). The male phenotype AB exclueds him as father.
La hepatitis B es un virus, una infección de su hígado. Puede causar cicatrización del órgano, insuficiencia hepática y cáncer.
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