Biology 0610 · IGCSE · Monohybrid inheritance

Monohybrid inheritance — practice question

Which pair of parents could have a child with blood group O?

  • Aheterozygous father with blood group A and heterozygous mother with blood group B
  • Bheterozygous father with blood group A and homozygous mother with blood group B
  • Chomozygous father with blood group A and heterozygous mother with blood group B
  • Dhomozygous father with blood group A and homozygous mother with blood group O

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