Cell Structure and Function Question
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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 .
- linked, but do not cross over.
- linked and show 40 percent recombination.
- on different chromosomes
- linked and show 10 percent recombination.
- linked and show 20 percent recombination.