A Testcross Performed with F1 Dihybrid Flies Results in More

question 10

Multiple Choice

A testcross performed with F1 dihybrid flies results in more parental-type offspring than recombinant-type offspring. Which of the following statements best explains this result?

• A) The two genes are linked on the same chromosome.
• B) The two genes are linked but on different chromosomes.
• C) Recombination did not occur in the cell during meiosis.
• D) Both of the characters are controlled by more than one gene.

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