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In Tomatoes, Tall Is Dominant to Dwarf, and Smooth Fruits

Question 16

Multiple Choice

In tomatoes, tall is dominant to dwarf, 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.Crosses of the F1 progeny yield the following results: 78 tall smooth fruits, 82 dwarf hairy fruits, 22 tall hairy fruits, and 18 dwarf 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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