Seymour Benzer used complementation and recombination to analyse rll mutations in bacteriophage $T$
4. Which of the following statements is correct when applied to his experiments?

Wild - type T4 can infect two different strains of E. coli bacteria, strains B and K
rll mutant T4 can infect E. coli strain $B$
rll mutant T4 cannot infect $E$. coli strain $K$

All of the above

Question

Seymour Benzer used complementation and recombination to analyse rll mutations in bacteriophage $T$
4. Which of the following statements is correct when applied to his experiments?

Wild - type T4 can infect two different strains of E. coli bacteria, strains B and K
rll mutant T4 can infect E. coli strain $B$
rll mutant T4 cannot infect $E$. coli strain $K$

All of the above

Accepted Answer

***D*** ∻Key Concept∻ ⚹Complementation and recombination in Benzer's experiments⚹ ∻Explanation∻ ⚹Seymour Benzer's experiments with the rll locus of bacteriophage T4 involved using complementation and recombination tests to map mutations at a very fine scale. His findings showed that wild-type T4 can infect both E. coli strains B and K, while rll mutants can infect strain B but not strain K, due to the inability of rll mutants to grow on a K strain that lacks the B substance necessary for phage adsorption and subsequent infection.⚹◊What is the significance of using complementation and recombination in analyzing rll mutations in bacteriophage $T$ 4 by Seymour Benzer?⍭ Generate me a similar question◊

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