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What did Morgan's student Alfred Sturtevant use the frequency of recombination between gene pairs on the same chromosome to do?
Option: 1
Determine the phenotype of the F1 generation in dihybrid crosses
Option: 2
Determine the genotype of the F2 generation in dihybrid crosses
Option: 3
Map the position of genes on the chromosome
Option: 4
Calculate the expected ratio of phenotypes in a monohybrid cross
Answers (1)
Alfred Sturtevant used the frequency of recombination between gene pairs on the same chromosome as a measure of the distance between genes and "mapped" their position on the chromosome. This allowed him to determine the relative positions of different genes on the same chromosome.
Option 3 is the correct answer.
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