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A couple has two children, one with type AB blood and one with type O blood. Both parents' blood types are unknown. What can you infer about the genotypes for both parents? Explain your answer.

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siddharthadixit757

Answer:

The parents must have different blood types, as they can produce children with both type AB and type O blood. The possible genotypes for the parents could be AO and BO, resulting in the combination of AO x BO, which gives a 25% chance of having a child with type O blood and a 25% chance of having a child with type AB blood.

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