Biology 0610 · IGCSE · Monohybrid inheritance

Monohybrid inheritance — practice question

Which genotypes can result in a person having blood group A?

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

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