Biology 0610 · IGCSE · Monohybrid inheritance

Monohybrid inheritance — practice question

A farmer purchases a bull that has unusual curved horns. He wants to find out whether the bull is pure-breeding for curved horns. He mates the bull with cows in his herd, all of which are pure-breeding for straight horns. Which proportion of the calves would show that the bull is pure-breeding for curved horns?

  • Aall with curved horns
  • Bhalf with straight horns
  • Cthree-quarters with curved horns
  • Dthree-quarters with straight horns

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