the whole question is structured like this a how many recombination events are required for plas

Step 1: A) Plasmid F → F' with single chromosomal segment requires 2 recombination events (one r

Question

A.) How many recombination events are required for plasmid F to become an F' carrying a single segment of the bacterial chromosome? My answer: 2 B.) Three genes are arranged in the order abc, mno, and xyz. In a transformation experiment, the DNA is made from a prototrophic strain and used to transform a triple mutant. C.) How many crossovers would be required to generate a stable strain that is phenotypically abc+ mno- xyz+? In a second transformation experiment, the DNA is made from a triple mutant strain and used to transform a prototrophic strain. D.) How many crossovers would be required to generate a stable strain that is phenotypically abc+ mno- xyz+? Also, illustrate your answer using a simple diagram to show the crossovers involved.

          A.) How many recombination events are required for plasmid F to become an F' carrying a single segment of the bacterial chromosome? 
My answer: 2 
B.) Three genes are arranged in the order abc, mno, and xyz. In a transformation experiment, the DNA is made from a prototrophic strain and used to transform a triple mutant. 
C.) How many crossovers would be required to generate a stable strain that is phenotypically abc+ mno- xyz+? In a second transformation experiment, the DNA is made from a triple mutant strain and used to transform a prototrophic strain. 
D.) How many crossovers would be required to generate a stable strain that is phenotypically abc+ mno- xyz+? Also, illustrate your answer using a simple diagram to show the crossovers involved.

Added by Nieves G.

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