A series of Hfr strains that have genotype m+ n+ o+ p+ q+ r+ are mixed with an F− strain that has genotype m− n− o− p− q− r−. Conjugation is interrupted at regular intervals and the order of the appearance of genes from the Hfr strain is
determined in the recipient cells.
a. The order of gene transfer for each Hfr strain is:
b. What is the order of genes on the circular bacterial chromosome? For each Hfr strain, give the location and direction of the F factor in the chromosome
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A series of Hfr strains that have genotype m+ n+ o+ p+ q+ r+ are mixed with an F− strain that has...
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