Multiple choice

In which one of the following organisms, it is easiest to distinguish mutations on adjacent base pairs of DNA through genetic recombination experiments?

  1. Bacteriophages

  2. Yeast

  3. Escherichia coli

  4. Bacillus subtilis
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A Correct answer
Explanation

Bacteriophages have very small genomes and high recombination rates, allowing for the mapping of mutations at the level of individual base pairs. This fine-scale genetic mapping is much more difficult in larger, more complex organisms like E. coli or yeast.

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