Determine cotransduction frequency of thi and pro

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Question: The generalized-transduction phage P1 is grown in a pur- pro+ thi+ donor strain. A recipient strain that is pur+ pro- thi- is infected and the donor allele thi+ is selected after transduction. 100 thi+ transductants are then scored for the other alleles. The results are shown below:

pro+ pur- 94

pro+ pur+ 62

pro- pur+ 34

pro- pur- 10

A) What is the cotransduction frequency of thi and pro?

B) What is the cotransduction frequency of thi and pur?

C) From these cotransduction frequencies, what is the gene order?

 

Reference no: EM1386274

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