8 mutant bacteriophage strains cannot lyse a certain type of bacteria that can b

Question

8 mutant bacteriophage strains cannot lyse a certain type of bacteria that can be lysed by wild-type bacteriophages.
The mutant strains were allowed to infect the bacteria in a complementation test.
A "+" indicates lysis occurred with coinfection.
A "-" indicates that lysis did not occur.

Please refer to the image and answer the questions.

A) A C?STRON ?S DEFINED BY NO COMPLEMENTATION IN THE CONF?GuRATION a.) cis b) tranS PIACE A NumBER IN TH?S SPACE C WH?CH OF THE Fouou?Nlr STRA?NS ARE 0EFECT?VE ?N THE SANE DENE AS STRA?NTZ ANSWER YES OR NO STRAIN JES?NO

Explanation / Answer

Answers:
1. A cistron is defined by no complementation in the trans region.
2. Table given is for mutant strains infecting bacteria in a complementation test. Three genes are controlling lysis.
3. Strain G....yes

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