Biology 0610 · IGCSE · Monohybrid inheritance

Monohybrid inheritance — practice question

Two pea plants that produce white flowers are crossed. Among the offspring pea plants, some have red flowers while others have white flowers. Which statement about the parent pea plants is correct?

  • ABoth parents are heterozygous.
  • BBoth parents are homozygous.
  • COne parent is heterozygous and one parent is homozygous.
  • DThe white allele for flower colour is recessive.

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