Biology 0610 · IGCSE · Chromosomes, genes and proteins

Chromosomes, genes and proteins — practice question

Ernst and Amy have four children with different blood groups, as shown. What are the genotypes of Ernst and Amy?

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

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