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gabistock21
gabistock21
06.08.2021 • 
Biology

A competent bacterial strain that has the genotype a-b-ct is transduced with a P1 phage carrying a fragment of donor chromosome with the a+b+ c-alleles. The following number of transductants were found after screening for the selectable marker a+. Transductant Genotype Number
a+b- c+ 160
a+ b+ c+ 360
a+b+ c- 460
a+b- c- 20

Which of the following conclusions is false?

a. The transduction frequency between a and bis 82%.
b. The transduction frequency between a and c is 48%.
c. Gene a and gene b are closer together than gene a and gene c.
d. The gene order is acb.
e. The selected marker screen will inhibit growth of transductants with the genotype a- b+ e-

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