Biology 5090 · O Level · Inheritance

Inheritance — practice question

The fruit colour in tomato plants is controlled by alleles of the same gene. A tomato plant with red fruit was crossed with a tomato plant with yellow fruit. Among the offspring, 26 plants produced red fruit and 24 produced yellow fruit. Three explanations were proposed. Which explanations are correct?

  • A1 only
  • B3 only
  • C1 and 2
  • D2 and 3

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