Multiple choice

If blood group of parents are AB and O, the possible blood groups of their children are

  1. O

  2. AB and O

  3. O and B

  4. AB

  5. A or B
Reveal answer Fill a bubble to check yourself
E Correct answer
Explanation

Blood groups O and AB have only one genotype. By crossing them, the possible blood groups of their children are A or B.

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