Multiple choice general knowledge

If father has blood group B and mother has blood group B, the Blood group of child can be

  1. A

  2. B

  3. AB

  4. O
Reveal answer Fill a bubble to check yourself
B,D Correct answer
Explanation

Two B-type parents can have genotypes BB or BO. If both are BB, children are only B. If one or both are BO, they can have B or O children. Type A or AB is impossible since neither parent has an A allele.

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