2818 69:30 AM 55.9/100 3/19/2018 04:28 PM Print CalulatorPeniodic Table 14 of 31

Question

2818 69:30 AM 55.9/100 3/19/2018 04:28 PM Print CalulatorPeniodic Table 14 of 31 tics: A Conceptual Approach 6th Edtion MHE/Freeman Map d Two mutations that affect plaque morphology in phages (a and b") have been isolated. Phages carrying both mutations (a b) are mixed with wild-type phages (a b) and added to a culture of bacterial cells. to infection and lysis, samples of the phage lysate are collected and cultured on bacterial cells. The following numbers of plaques are observed in the table below Plaque Number a b a b a b a b 2043 320 357 2134 Using the data above, calculate the recombination frequency between the a and b genes Number 19 8 6 3

Explanation / Answer

Recombination freuqncy is the number of recombinant/ Total progenies.

Here a+b- and a-b+ are the recombinants.

So, their total number is 677.

Total progeny are 4854.

So, recombination frequency= 677/4854

= 13.94 % is the recombinantion frequency.

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