In Tomatoes,tall Is Dominant to Short and Smooth Fruits Are

question 64

Multiple Choice

In tomatoes,tall is dominant to short and smooth fruits are dominant to hairy fruits.A plant that is homozygous for both dominant traits is crossed with a plant that is homozygous for both recessive traits.The F₁ progeny are tested and crossed with the following results: 78 tall smooth fruits;82 short hairy fruits;22 tall hairy fruits;and 18 short smooth fruits.These data indicate that the genes are

• A) on different chromosomes.
• B) linked but do not cross over.
• C) linked and show 10 percent recombination.
• D) linked and show 20 percent recombination.
• E) linked and show 40 percent recombination.

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