One of the group of four offsprings belongs to blood group O. If the blood group of the offspring are different from those of their biological parents, what would be the: blood group of the other parents
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The other parents must have blood groups A and B. This is because blood group O is a result of the combination of the A and B genes. If one of the offspring has blood group O, then the other parent must have either blood group A or B in order to pass on the O gene.
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