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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?
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After one minute, ask your subjects to close their eyes. Once their eyes are closed, ask them to recite everything in the room that is different colour than the one they were looking for, for in case, anything and everything that is green.
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