The offspring produced from a marriage have only $O$ or $A$ blood groups. Of the genotypes given below,the possible genotypes of the parents would be

  • A
    $I^{A}I^{A}$ and $I^{O}I^{O}$
  • B
    $I^{A}I^{O}$ and $I^{O}I^{O}$
  • C
    $I^{A}I^{A}$ and $I^{A}I^{O}$
  • D
    $I^{O}I^{O}$ and $I^{O}I^{O}$

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