Biology
Grade-8
Easy

Question

What is the genotype of a person with type A blood who had a father with type O blood?

  1. AB
  2. AO
  3. AA
  4. OO

hintHint:

AO

The correct answer is: AO


    The genotype of a person with type A blood will have AO, when his father has O type of blood.
    If the father is heterozygous, there is a 50% probability for a blood type A child and a 50% probability for a blood type O child. If the father is homozygous, every offspring will be blood type A.

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