A baby is kidnapped from a couples home Police capture a pai

A baby is kidnapped from a couple\'s home. Police capture a pair of suspects with a baby that fits the age and gender of the missing child. The suspect couple claims that the baby is theirs. The CSI lab\'s DNA machinery is out for repairs, so you have to rely on the possibility that blood typing give you the answer.

From their driver\'s licenses, you learn that the suspects blood types are A and AB. The parents of the kidnapped child have blood type A and B. The baby\'s blood type is O.

Can the suspects be the biological parents of the baby?
Could this be the kidnapped child?

Which of the following is correct?

Yes/No

Yes/Yes

No/Yes

No/No

Solution

3.NO/YES

No,the suspects cannot be the biological parents of the baby because with parents having blood group A AND AB ..They can have a baby with blood groups-A,B,AB but NOT 0

On the other hand ,the baby can be the kidnapped child because the parents of kidnapped child have blood group A AND B..They can have a babyof the blood group-A,B,AB,O.