To integrate an F plasmid's genes into a host chromosome, there must be DNA recombination at homologous regions on the two circular strands. What is the minimum number of such crossover events needed for integration?
A)1
B)2
C)3
D)4
E)8

Question

Quizplus · Accepted Answer

One crossover event is sufficient for integration, as it can result in the formation of a cointegrate structure, in which the F plasmid and the host chromosome are linked together.

To Integrate an F Plasmid's Genes into a Host Chromosome